20178049360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{124679}}^1$

素因数の和:124733

約数の個数: 120

約数和(自身を含む): 56955818880

約数和(自身を除く): 36777769520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 289, 340, 476, 560, 578, 595, 680, 952, 1156, 1190, 1360, 1445, 1904, 2023, 2312, 2380, 2890, 4046, 4624, 4760, 5780, 8092, 9520, 10115, 11560, 16184, 20230, 23120, 32368, 40460, 80920, 124679, 161840, 249358, 498716, 623395, 872753, 997432, 1246790, 1745506, 1994864, 2119543, 2493580, 3491012, 4239086, 4363765, 4987160, 6982024, 8478172, 8727530, 9974320, 10597715, 13964048, 14836801, 16956344, 17455060, 21195430, 29673602, 33912688, 34910120, 36032231, 42390860, 59347204, 69820240, 72064462, 74184005, 84781720, 118694408, 144128924, 148368010, 169563440, 180161155, 237388816, 252225617, 288257848, 296736020, 360322310, 504451234, 576515696, 593472040, 720644620, 1008902468, 1186944080, 1261128085, 1441289240, 2017804936, 2522256170, 2882578480, 4035609872, 5044512340, 10089024680, 20178049360]

約数ペア:

[(1, 20178049360), (2, 10089024680), (4, 5044512340), (5, 4035609872), (7, 2882578480), (8, 2522256170), (10, 2017804936), (14, 1441289240), (16, 1261128085), (17, 1186944080), (20, 1008902468), (28, 720644620), (34, 593472040), (35, 576515696), (40, 504451234), (56, 360322310), (68, 296736020), (70, 288257848), (80, 252225617), (85, 237388816), (112, 180161155), (119, 169563440), (136, 148368010), (140, 144128924), (170, 118694408), (238, 84781720), (272, 74184005), (280, 72064462), (289, 69820240), (340, 59347204), (476, 42390860), (560, 36032231), (578, 34910120), (595, 33912688), (680, 29673602), (952, 21195430), (1156, 17455060), (1190, 16956344), (1360, 14836801), (1445, 13964048), (1904, 10597715), (2023, 9974320), (2312, 8727530), (2380, 8478172), (2890, 6982024), (4046, 4987160), (4624, 4363765), (4760, 4239086), (5780, 3491012), (8092, 2493580), (9520, 2119543), (10115, 1994864), (11560, 1745506), (16184, 1246790), (20230, 997432), (23120, 872753), (32368, 623395), (40460, 498716), (80920, 249358), (124679, 161840)]