20803857720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1102

約数の個数: 256

約数和(自身を含む): 67060224000

約数和(自身を除く): 46256366280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 97, 109, 114, 120, 152, 190, 194, 218, 228, 285, 291, 327, 380, 388, 436, 456, 485, 545, 570, 582, 654, 760, 776, 863, 872, 970, 1090, 1140, 1164, 1308, 1455, 1635, 1726, 1843, 1940, 2071, 2180, 2280, 2328, 2589, 2616, 2910, 3270, 3452, 3686, 3880, 4142, 4315, 4360, 5178, 5529, 5820, 6213, 6540, 6904, 7372, 8284, 8630, 9215, 10355, 10356, 10573, 11058, 11640, 12426, 12945, 13080, 14744, 16397, 16568, 17260, 18430, 20710, 20712, 21146, 22116, 24852, 25890, 27645, 31065, 31719, 32794, 34520, 36860, 41420, 42292, 44232, 49191, 49704, 51780, 52865, 55290, 62130, 63438, 65588, 73720, 81985, 82840, 83711, 84584, 94067, 98382, 103560, 105730, 110580, 124260, 126876, 131176, 158595, 163970, 167422, 188134, 196764, 200887, 211460, 221160, 245955, 248520, 251133, 253752, 282201, 317190, 327940, 334844, 376268, 393528, 401774, 418555, 422920, 470335, 491910, 502266, 564402, 602661, 634380, 655880, 669688, 752536, 803548, 837110, 940670, 983820, 1004435, 1004532, 1128804, 1205322, 1255665, 1268760, 1411005, 1590509, 1607096, 1674220, 1787273, 1881340, 1967640, 2008870, 2009064, 2257608, 2410644, 2511330, 2822010, 3013305, 3181018, 3348440, 3574546, 3762680, 4017740, 4771527, 4821288, 5022660, 5361819, 5644020, 6026610, 6362036, 7149092, 7952545, 8035480, 8936365, 9124499, 9543054, 10045320, 10723638, 11288040, 12053220, 12724072, 14298184, 15905090, 17872730, 18248998, 19086108, 21447276, 23857635, 24106440, 26809095, 27373497, 31810180, 35745460, 36497996, 38172216, 42894552, 45622495, 47715270, 53618190, 54746994, 63620360, 71490920, 72995992, 91244990, 95430540, 107236380, 109493988, 136867485, 173365481, 182489980, 190861080, 214472760, 218987976, 273734970, 346730962, 364979960, 520096443, 547469940, 693461924, 866827405, 1040192886, 1094939880, 1386923848, 1733654810, 2080385772, 2600482215, 3467309620, 4160771544, 5200964430, 6934619240, 10401928860, 20803857720]

約数ペア:

[(1, 20803857720), (2, 10401928860), (3, 6934619240), (4, 5200964430), (5, 4160771544), (6, 3467309620), (8, 2600482215), (10, 2080385772), (12, 1733654810), (15, 1386923848), (19, 1094939880), (20, 1040192886), (24, 866827405), (30, 693461924), (38, 547469940), (40, 520096443), (57, 364979960), (60, 346730962), (76, 273734970), (95, 218987976), (97, 214472760), (109, 190861080), (114, 182489980), (120, 173365481), (152, 136867485), (190, 109493988), (194, 107236380), (218, 95430540), (228, 91244990), (285, 72995992), (291, 71490920), (327, 63620360), (380, 54746994), (388, 53618190), (436, 47715270), (456, 45622495), (485, 42894552), (545, 38172216), (570, 36497996), (582, 35745460), (654, 31810180), (760, 27373497), (776, 26809095), (863, 24106440), (872, 23857635), (970, 21447276), (1090, 19086108), (1140, 18248998), (1164, 17872730), (1308, 15905090), (1455, 14298184), (1635, 12724072), (1726, 12053220), (1843, 11288040), (1940, 10723638), (2071, 10045320), (2180, 9543054), (2280, 9124499), (2328, 8936365), (2589, 8035480), (2616, 7952545), (2910, 7149092), (3270, 6362036), (3452, 6026610), (3686, 5644020), (3880, 5361819), (4142, 5022660), (4315, 4821288), (4360, 4771527), (5178, 4017740), (5529, 3762680), (5820, 3574546), (6213, 3348440), (6540, 3181018), (6904, 3013305), (7372, 2822010), (8284, 2511330), (8630, 2410644), (9215, 2257608), (10355, 2009064), (10356, 2008870), (10573, 1967640), (11058, 1881340), (11640, 1787273), (12426, 1674220), (12945, 1607096), (13080, 1590509), (14744, 1411005), (16397, 1268760), (16568, 1255665), (17260, 1205322), (18430, 1128804), (20710, 1004532), (20712, 1004435), (21146, 983820), (22116, 940670), (24852, 837110), (25890, 803548), (27645, 752536), (31065, 669688), (31719, 655880), (32794, 634380), (34520, 602661), (36860, 564402), (41420, 502266), (42292, 491910), (44232, 470335), (49191, 422920), (49704, 418555), (51780, 401774), (52865, 393528), (55290, 376268), (62130, 334844), (63438, 327940), (65588, 317190), (73720, 282201), (81985, 253752), (82840, 251133), (83711, 248520), (84584, 245955), (94067, 221160), (98382, 211460), (103560, 200887), (105730, 196764), (110580, 188134), (124260, 167422), (126876, 163970), (131176, 158595)]