20006307640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:1010

約数の個数: 256

約数和(自身を含む): 53747712000

約数和(自身を除く): 33741404360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 59, 76, 88, 94, 95, 110, 118, 152, 188, 190, 209, 220, 235, 236, 295, 376, 380, 418, 440, 470, 472, 517, 590, 649, 760, 836, 863, 893, 940, 1034, 1045, 1121, 1180, 1298, 1672, 1726, 1786, 1880, 2068, 2090, 2242, 2360, 2585, 2596, 2773, 3245, 3452, 3572, 4136, 4180, 4315, 4465, 4484, 5170, 5192, 5546, 5605, 6490, 6904, 7144, 8360, 8630, 8930, 8968, 9493, 9823, 10340, 11092, 11210, 12331, 12980, 13865, 16397, 17260, 17860, 18986, 19646, 20680, 22184, 22420, 24662, 25960, 27730, 30503, 32794, 34520, 35720, 37972, 39292, 40561, 44840, 47465, 49115, 49324, 50917, 52687, 55460, 61006, 61655, 65588, 75944, 78584, 81122, 81985, 94930, 98230, 98648, 101834, 105374, 110920, 122012, 123310, 131176, 152515, 162244, 163970, 180367, 189860, 196460, 202805, 203668, 210748, 244024, 246620, 254585, 263435, 305030, 324488, 327940, 360734, 379720, 392920, 405610, 407336, 421496, 446171, 493240, 509170, 526870, 560087, 579557, 610060, 655880, 721468, 770659, 811220, 892342, 901835, 967423, 1018340, 1053740, 1120174, 1159114, 1220120, 1442936, 1541318, 1622440, 1784684, 1803670, 1934846, 2036680, 2107480, 2230855, 2240348, 2318228, 2393099, 2800435, 2897785, 3082636, 3569368, 3607340, 3853295, 3869692, 4461710, 4480696, 4636456, 4786198, 4837115, 5600870, 5795570, 6165272, 7214680, 7706590, 7739384, 8477249, 8923420, 9572396, 9674230, 10641653, 11201740, 11591140, 11965495, 15413180, 16954498, 17846840, 19144792, 19348460, 21283306, 22403480, 23182280, 23930990, 26324089, 30826360, 33908996, 38696920, 42386245, 42566612, 45468881, 47861980, 52648178, 53208265, 67817992, 84772490, 85133224, 90937762, 95723960, 105296356, 106416530, 131620445, 169544980, 181875524, 210592712, 212833060, 227344405, 263240890, 339089960, 363751048, 425666120, 454688810, 500157691, 526481780, 909377620, 1000315382, 1052963560, 1818755240, 2000630764, 2500788455, 4001261528, 5001576910, 10003153820, 20006307640]

約数ペア:

[(1, 20006307640), (2, 10003153820), (4, 5001576910), (5, 4001261528), (8, 2500788455), (10, 2000630764), (11, 1818755240), (19, 1052963560), (20, 1000315382), (22, 909377620), (38, 526481780), (40, 500157691), (44, 454688810), (47, 425666120), (55, 363751048), (59, 339089960), (76, 263240890), (88, 227344405), (94, 212833060), (95, 210592712), (110, 181875524), (118, 169544980), (152, 131620445), (188, 106416530), (190, 105296356), (209, 95723960), (220, 90937762), (235, 85133224), (236, 84772490), (295, 67817992), (376, 53208265), (380, 52648178), (418, 47861980), (440, 45468881), (470, 42566612), (472, 42386245), (517, 38696920), (590, 33908996), (649, 30826360), (760, 26324089), (836, 23930990), (863, 23182280), (893, 22403480), (940, 21283306), (1034, 19348460), (1045, 19144792), (1121, 17846840), (1180, 16954498), (1298, 15413180), (1672, 11965495), (1726, 11591140), (1786, 11201740), (1880, 10641653), (2068, 9674230), (2090, 9572396), (2242, 8923420), (2360, 8477249), (2585, 7739384), (2596, 7706590), (2773, 7214680), (3245, 6165272), (3452, 5795570), (3572, 5600870), (4136, 4837115), (4180, 4786198), (4315, 4636456), (4465, 4480696), (4484, 4461710), (5170, 3869692), (5192, 3853295), (5546, 3607340), (5605, 3569368), (6490, 3082636), (6904, 2897785), (7144, 2800435), (8360, 2393099), (8630, 2318228), (8930, 2240348), (8968, 2230855), (9493, 2107480), (9823, 2036680), (10340, 1934846), (11092, 1803670), (11210, 1784684), (12331, 1622440), (12980, 1541318), (13865, 1442936), (16397, 1220120), (17260, 1159114), (17860, 1120174), (18986, 1053740), (19646, 1018340), (20680, 967423), (22184, 901835), (22420, 892342), (24662, 811220), (25960, 770659), (27730, 721468), (30503, 655880), (32794, 610060), (34520, 579557), (35720, 560087), (37972, 526870), (39292, 509170), (40561, 493240), (44840, 446171), (47465, 421496), (49115, 407336), (49324, 405610), (50917, 392920), (52687, 379720), (55460, 360734), (61006, 327940), (61655, 324488), (65588, 305030), (75944, 263435), (78584, 254585), (81122, 246620), (81985, 244024), (94930, 210748), (98230, 203668), (98648, 202805), (101834, 196460), (105374, 189860), (110920, 180367), (122012, 163970), (123310, 162244), (131176, 152515)]