20161987102940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1\times {\mathrm{3631}}^1\times {\mathrm{5471}}^1$

素因数の和:10779

約数の個数: 96

約数和(自身を含む): 43752723775488

約数和(自身を除く): 23590736672548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1637, 3274, 3631, 5471, 6548, 7262, 8185, 10942, 14524, 16370, 18155, 21884, 27355, 32740, 36310, 50747, 54710, 72620, 101494, 109420, 112561, 169601, 202988, 225122, 253735, 339202, 450244, 507470, 562805, 678404, 848005, 1014940, 1125610, 1696010, 2251220, 3392020, 5943947, 8956027, 11887894, 17912054, 19865201, 23775788, 29719735, 35824108, 39730402, 44780135, 59439470, 79460804, 89560270, 99326005, 118878940, 179120540, 184262357, 198652010, 277636837, 368524714, 397304020, 555273674, 615821231, 737049428, 921311785, 1110547348, 1231642462, 1388184185, 1842623570, 2463284924, 2776368370, 3079106155, 3685247140, 5552736740, 6158212310, 12316424620, 32519334037, 65038668074, 130077336148, 162596670185, 325193340370, 650386680740, 1008099355147, 2016198710294, 4032397420588, 5040496775735, 10080993551470, 20161987102940]

約数ペア:

[(1, 20161987102940), (2, 10080993551470), (4, 5040496775735), (5, 4032397420588), (10, 2016198710294), (20, 1008099355147), (31, 650386680740), (62, 325193340370), (124, 162596670185), (155, 130077336148), (310, 65038668074), (620, 32519334037), (1637, 12316424620), (3274, 6158212310), (3631, 5552736740), (5471, 3685247140), (6548, 3079106155), (7262, 2776368370), (8185, 2463284924), (10942, 1842623570), (14524, 1388184185), (16370, 1231642462), (18155, 1110547348), (21884, 921311785), (27355, 737049428), (32740, 615821231), (36310, 555273674), (50747, 397304020), (54710, 368524714), (72620, 277636837), (101494, 198652010), (109420, 184262357), (112561, 179120540), (169601, 118878940), (202988, 99326005), (225122, 89560270), (253735, 79460804), (339202, 59439470), (450244, 44780135), (507470, 39730402), (562805, 35824108), (678404, 29719735), (848005, 23775788), (1014940, 19865201), (1125610, 17912054), (1696010, 11887894), (2251220, 8956027), (3392020, 5943947)]