20243257775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{15733}}^1$

素因数の和:15900

約数の個数: 48

約数和(自身を含む): 28024393824

約数和(自身を除く): 7781136049

約数列:

[1, 5, 13, 25, 37, 65, 107, 185, 325, 481, 535, 925, 1391, 2405, 2675, 3959, 6955, 12025, 15733, 19795, 34775, 51467, 78665, 98975, 204529, 257335, 393325, 582121, 1022645, 1286675, 1683431, 2910605, 5113225, 7567573, 8417155, 14553025, 21884603, 37837865, 42085775, 62286947, 109423015, 189189325, 311434735, 547115075, 809730311, 1557173675, 4048651555, 20243257775]

約数ペア:

[(1, 20243257775), (5, 4048651555), (13, 1557173675), (25, 809730311), (37, 547115075), (65, 311434735), (107, 189189325), (185, 109423015), (325, 62286947), (481, 42085775), (535, 37837865), (925, 21884603), (1391, 14553025), (2405, 8417155), (2675, 7567573), (3959, 5113225), (6955, 2910605), (12025, 1683431), (15733, 1286675), (19795, 1022645), (34775, 582121), (51467, 393325), (78665, 257335), (98975, 204529)]