20748708

素因数分解:

$2^2\times 3^2\times {\mathrm{227}}^1\times {\mathrm{2539}}^1$

素因数の和:2776

約数の個数: 36

約数和(自身を含む): 52699920

約数和(自身を除く): 31951212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 227, 454, 681, 908, 1362, 2043, 2539, 2724, 4086, 5078, 7617, 8172, 10156, 15234, 22851, 30468, 45702, 91404, 576353, 1152706, 1729059, 2305412, 3458118, 5187177, 6916236, 10374354, 20748708]

約数ペア:

[(1, 20748708), (2, 10374354), (3, 6916236), (4, 5187177), (6, 3458118), (9, 2305412), (12, 1729059), (18, 1152706), (36, 576353), (227, 91404), (454, 45702), (681, 30468), (908, 22851), (1362, 15234), (2043, 10156), (2539, 8172), (2724, 7617), (4086, 5078)]