20525285375

素因数分解:

$5^3\times 7^2\times {\mathrm{1249}}^1\times {\mathrm{2683}}^1$

素因数の和:3961

約数の個数: 48

約数和(自身を含む): 29832660000

約数和(自身を除く): 9307374625

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 1249, 2683, 6125, 6245, 8743, 13415, 18781, 31225, 43715, 61201, 67075, 93905, 131467, 156125, 218575, 306005, 335375, 469525, 657335, 1092875, 1530025, 2347625, 3286675, 3351067, 7650125, 16433375, 16755335, 23457469, 83776675, 117287345, 164202283, 418883375, 586436725, 821011415, 2932183625, 4105057075, 20525285375]

約数ペア:

[(1, 20525285375), (5, 4105057075), (7, 2932183625), (25, 821011415), (35, 586436725), (49, 418883375), (125, 164202283), (175, 117287345), (245, 83776675), (875, 23457469), (1225, 16755335), (1249, 16433375), (2683, 7650125), (6125, 3351067), (6245, 3286675), (8743, 2347625), (13415, 1530025), (18781, 1092875), (31225, 657335), (43715, 469525), (61201, 335375), (67075, 306005), (93905, 218575), (131467, 156125)]