20854013880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1239

約数の個数: 384

約数和(自身を含む): 75433654080

約数和(自身を除く): 54579640200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 53, 56, 60, 61, 70, 84, 98, 105, 106, 120, 122, 140, 147, 159, 168, 183, 196, 210, 212, 244, 245, 265, 280, 294, 305, 318, 366, 371, 392, 420, 424, 427, 488, 490, 530, 588, 610, 636, 732, 735, 742, 795, 840, 854, 915, 980, 1060, 1097, 1113, 1176, 1220, 1272, 1281, 1464, 1470, 1484, 1590, 1708, 1830, 1855, 1960, 2120, 2135, 2194, 2226, 2440, 2562, 2597, 2940, 2968, 2989, 3180, 3233, 3291, 3416, 3660, 3710, 4270, 4388, 4452, 5124, 5194, 5485, 5565, 5880, 5978, 6360, 6405, 6466, 6582, 7320, 7420, 7679, 7791, 8540, 8776, 8904, 8967, 9699, 10248, 10388, 10970, 11130, 11956, 12810, 12932, 12985, 13164, 14840, 14945, 15358, 15582, 16165, 16455, 17080, 17934, 19398, 20776, 21940, 22260, 22631, 23037, 23912, 25620, 25864, 25970, 26328, 29890, 30716, 31164, 32330, 32910, 35868, 38395, 38796, 38955, 43880, 44520, 44835, 45262, 46074, 48495, 51240, 51940, 53753, 58141, 59780, 61432, 62328, 64660, 65820, 66917, 67893, 71736, 76790, 77592, 77910, 89670, 90524, 92148, 96990, 103880, 107506, 113155, 115185, 116282, 119560, 129320, 131640, 133834, 135786, 153580, 155820, 158417, 161259, 174423, 179340, 181048, 184296, 193980, 200751, 215012, 226310, 230370, 232564, 267668, 268765, 271572, 290705, 307160, 311640, 316834, 322518, 334585, 339465, 348846, 358680, 387960, 401502, 406987, 430024, 452620, 460740, 465128, 468419, 475251, 535336, 537530, 543144, 581410, 633668, 645036, 669170, 678930, 697692, 792085, 803004, 806295, 813974, 872115, 905240, 921480, 936838, 950502, 1003755, 1075060, 1162820, 1220961, 1267336, 1290072, 1338340, 1357860, 1395384, 1405257, 1584170, 1606008, 1612590, 1627948, 1744230, 1873676, 1901004, 2007510, 2034935, 2150120, 2325640, 2342095, 2376255, 2441922, 2676680, 2715720, 2810514, 2848909, 3168340, 3225180, 3255896, 3278933, 3488460, 3546601, 3747352, 3802008, 4015020, 4069870, 4684190, 4752510, 4883844, 5621028, 5697818, 6104805, 6336680, 6450360, 6557866, 6976920, 7026285, 7093202, 8030040, 8139740, 8546727, 9368380, 9505020, 9767688, 9836799, 10639803, 11242056, 11395636, 12209610, 13115732, 14052570, 14186404, 14244545, 16279480, 16394665, 17093454, 17733005, 18736760, 19010040, 19673598, 21279606, 22791272, 24419220, 24826207, 26231464, 28105140, 28372808, 28489090, 32789330, 34186908, 35466010, 39347196, 42559212, 42733635, 48838440, 49183995, 49652414, 53199015, 56210280, 56978180, 65578660, 68373816, 70932020, 74478621, 78694392, 85118424, 85467270, 98367990, 99304828, 106398030, 113956360, 124131035, 131157320, 141864040, 148957242, 170934540, 173783449, 196735980, 198609656, 212796060, 248262070, 297914484, 341869080, 347566898, 372393105, 393471960, 425592120, 496524140, 521350347, 595828968, 695133796, 744786210, 868917245, 993048280, 1042700694, 1390267592, 1489572420, 1737834490, 2085401388, 2606751735, 2979144840, 3475668980, 4170802776, 5213503470, 6951337960, 10427006940, 20854013880]

約数ペア:

[(1, 20854013880), (2, 10427006940), (3, 6951337960), (4, 5213503470), (5, 4170802776), (6, 3475668980), (7, 2979144840), (8, 2606751735), (10, 2085401388), (12, 1737834490), (14, 1489572420), (15, 1390267592), (20, 1042700694), (21, 993048280), (24, 868917245), (28, 744786210), (30, 695133796), (35, 595828968), (40, 521350347), (42, 496524140), (49, 425592120), (53, 393471960), (56, 372393105), (60, 347566898), (61, 341869080), (70, 297914484), (84, 248262070), (98, 212796060), (105, 198609656), (106, 196735980), (120, 173783449), (122, 170934540), (140, 148957242), (147, 141864040), (159, 131157320), (168, 124131035), (183, 113956360), (196, 106398030), (210, 99304828), (212, 98367990), (244, 85467270), (245, 85118424), (265, 78694392), (280, 74478621), (294, 70932020), (305, 68373816), (318, 65578660), (366, 56978180), (371, 56210280), (392, 53199015), (420, 49652414), (424, 49183995), (427, 48838440), (488, 42733635), (490, 42559212), (530, 39347196), (588, 35466010), (610, 34186908), (636, 32789330), (732, 28489090), (735, 28372808), (742, 28105140), (795, 26231464), (840, 24826207), (854, 24419220), (915, 22791272), (980, 21279606), (1060, 19673598), (1097, 19010040), (1113, 18736760), (1176, 17733005), (1220, 17093454), (1272, 16394665), (1281, 16279480), (1464, 14244545), (1470, 14186404), (1484, 14052570), (1590, 13115732), (1708, 12209610), (1830, 11395636), (1855, 11242056), (1960, 10639803), (2120, 9836799), (2135, 9767688), (2194, 9505020), (2226, 9368380), (2440, 8546727), (2562, 8139740), (2597, 8030040), (2940, 7093202), (2968, 7026285), (2989, 6976920), (3180, 6557866), (3233, 6450360), (3291, 6336680), (3416, 6104805), (3660, 5697818), (3710, 5621028), (4270, 4883844), (4388, 4752510), (4452, 4684190), (5124, 4069870), (5194, 4015020), (5485, 3802008), (5565, 3747352), (5880, 3546601), (5978, 3488460), (6360, 3278933), (6405, 3255896), (6466, 3225180), (6582, 3168340), (7320, 2848909), (7420, 2810514), (7679, 2715720), (7791, 2676680), (8540, 2441922), (8776, 2376255), (8904, 2342095), (8967, 2325640), (9699, 2150120), (10248, 2034935), (10388, 2007510), (10970, 1901004), (11130, 1873676), (11956, 1744230), (12810, 1627948), (12932, 1612590), (12985, 1606008), (13164, 1584170), (14840, 1405257), (14945, 1395384), (15358, 1357860), (15582, 1338340), (16165, 1290072), (16455, 1267336), (17080, 1220961), (17934, 1162820), (19398, 1075060), (20776, 1003755), (21940, 950502), (22260, 936838), (22631, 921480), (23037, 905240), (23912, 872115), (25620, 813974), (25864, 806295), (25970, 803004), (26328, 792085), (29890, 697692), (30716, 678930), (31164, 669170), (32330, 645036), (32910, 633668), (35868, 581410), (38395, 543144), (38796, 537530), (38955, 535336), (43880, 475251), (44520, 468419), (44835, 465128), (45262, 460740), (46074, 452620), (48495, 430024), (51240, 406987), (51940, 401502), (53753, 387960), (58141, 358680), (59780, 348846), (61432, 339465), (62328, 334585), (64660, 322518), (65820, 316834), (66917, 311640), (67893, 307160), (71736, 290705), (76790, 271572), (77592, 268765), (77910, 267668), (89670, 232564), (90524, 230370), (92148, 226310), (96990, 215012), (103880, 200751), (107506, 193980), (113155, 184296), (115185, 181048), (116282, 179340), (119560, 174423), (129320, 161259), (131640, 158417), (133834, 155820), (135786, 153580)]