20163624775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{13009}}^1$

素因数の和:13564

約数の個数: 48

約数和(自身を含む): 30316006080

約数和(自身を除く): 10152381305

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 521, 595, 2605, 2975, 3647, 8857, 13009, 13025, 18235, 44285, 61999, 65045, 91063, 91175, 221153, 221425, 309995, 325225, 455315, 1105765, 1548071, 1549975, 2276575, 5528825, 6777689, 7740355, 33888445, 38701775, 47443823, 115220713, 169442225, 237219115, 576103565, 806544991, 1186095575, 2880517825, 4032724955, 20163624775]

約数ペア:

[(1, 20163624775), (5, 4032724955), (7, 2880517825), (17, 1186095575), (25, 806544991), (35, 576103565), (85, 237219115), (119, 169442225), (175, 115220713), (425, 47443823), (521, 38701775), (595, 33888445), (2605, 7740355), (2975, 6777689), (3647, 5528825), (8857, 2276575), (13009, 1549975), (13025, 1548071), (18235, 1105765), (44285, 455315), (61999, 325225), (65045, 309995), (91063, 221425), (91175, 221153)]