20149678920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:1028

約数の個数: 256

約数和(自身を含む): 69905203200

約数和(自身を除く): 49755524280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 167, 168, 210, 239, 280, 334, 420, 478, 501, 601, 668, 717, 835, 840, 956, 1002, 1169, 1195, 1202, 1336, 1434, 1670, 1673, 1803, 1912, 2004, 2338, 2390, 2404, 2505, 2868, 3005, 3340, 3346, 3507, 3585, 3606, 4008, 4207, 4676, 4780, 4808, 5010, 5019, 5736, 5845, 6010, 6680, 6692, 7014, 7170, 7212, 8365, 8414, 9015, 9352, 9560, 10020, 10038, 11690, 12020, 12621, 13384, 14028, 14340, 14424, 16730, 16828, 17535, 18030, 20040, 20076, 21035, 23380, 24040, 25095, 25242, 28056, 28680, 33460, 33656, 35070, 36060, 39913, 40152, 42070, 46760, 50190, 50484, 63105, 66920, 70140, 72120, 79826, 84140, 100367, 100380, 100968, 119739, 126210, 140280, 143639, 159652, 168280, 199565, 200734, 200760, 239478, 252420, 279391, 287278, 301101, 319304, 399130, 401468, 430917, 478956, 501835, 504840, 558782, 574556, 598695, 602202, 702569, 718195, 798260, 802936, 838173, 861834, 957912, 1003670, 1005473, 1117564, 1149112, 1197390, 1204404, 1396955, 1405138, 1436390, 1505505, 1596520, 1676346, 1723668, 2007340, 2010946, 2107707, 2154585, 2235128, 2394780, 2408808, 2793910, 2810276, 2872780, 3011010, 3016419, 3352692, 3447336, 3512845, 4014680, 4021892, 4190865, 4215414, 4309170, 4789560, 5027365, 5587820, 5620552, 5745560, 6022020, 6032838, 6705384, 7025690, 8043784, 8381730, 8430828, 8618340, 10054730, 10538535, 11175640, 12044040, 12065676, 14051380, 15082095, 16763460, 16861656, 17236680, 20109460, 21077070, 23987713, 24131352, 28102760, 30164190, 33526920, 40218920, 42154140, 47975426, 60328380, 71963139, 84308280, 95950852, 119938565, 120656760, 143926278, 167913991, 191901704, 239877130, 287852556, 335827982, 359815695, 479754260, 503741973, 575705112, 671655964, 719631390, 839569955, 959508520, 1007483946, 1343311928, 1439262780, 1679139910, 2014967892, 2518709865, 2878525560, 3358279820, 4029935784, 5037419730, 6716559640, 10074839460, 20149678920]

約数ペア:

[(1, 20149678920), (2, 10074839460), (3, 6716559640), (4, 5037419730), (5, 4029935784), (6, 3358279820), (7, 2878525560), (8, 2518709865), (10, 2014967892), (12, 1679139910), (14, 1439262780), (15, 1343311928), (20, 1007483946), (21, 959508520), (24, 839569955), (28, 719631390), (30, 671655964), (35, 575705112), (40, 503741973), (42, 479754260), (56, 359815695), (60, 335827982), (70, 287852556), (84, 239877130), (105, 191901704), (120, 167913991), (140, 143926278), (167, 120656760), (168, 119938565), (210, 95950852), (239, 84308280), (280, 71963139), (334, 60328380), (420, 47975426), (478, 42154140), (501, 40218920), (601, 33526920), (668, 30164190), (717, 28102760), (835, 24131352), (840, 23987713), (956, 21077070), (1002, 20109460), (1169, 17236680), (1195, 16861656), (1202, 16763460), (1336, 15082095), (1434, 14051380), (1670, 12065676), (1673, 12044040), (1803, 11175640), (1912, 10538535), (2004, 10054730), (2338, 8618340), (2390, 8430828), (2404, 8381730), (2505, 8043784), (2868, 7025690), (3005, 6705384), (3340, 6032838), (3346, 6022020), (3507, 5745560), (3585, 5620552), (3606, 5587820), (4008, 5027365), (4207, 4789560), (4676, 4309170), (4780, 4215414), (4808, 4190865), (5010, 4021892), (5019, 4014680), (5736, 3512845), (5845, 3447336), (6010, 3352692), (6680, 3016419), (6692, 3011010), (7014, 2872780), (7170, 2810276), (7212, 2793910), (8365, 2408808), (8414, 2394780), (9015, 2235128), (9352, 2154585), (9560, 2107707), (10020, 2010946), (10038, 2007340), (11690, 1723668), (12020, 1676346), (12621, 1596520), (13384, 1505505), (14028, 1436390), (14340, 1405138), (14424, 1396955), (16730, 1204404), (16828, 1197390), (17535, 1149112), (18030, 1117564), (20040, 1005473), (20076, 1003670), (21035, 957912), (23380, 861834), (24040, 838173), (25095, 802936), (25242, 798260), (28056, 718195), (28680, 702569), (33460, 602202), (33656, 598695), (35070, 574556), (36060, 558782), (39913, 504840), (40152, 501835), (42070, 478956), (46760, 430917), (50190, 401468), (50484, 399130), (63105, 319304), (66920, 301101), (70140, 287278), (72120, 279391), (79826, 252420), (84140, 239478), (100367, 200760), (100380, 200734), (100968, 199565), (119739, 168280), (126210, 159652), (140280, 143639)]