20642818

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5693}}^1$

素因数の和:5746

約数の個数: 24

約数和(自身を含む): 36999612

約数和(自身を除く): 16356794

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5693, 11386, 39851, 79702, 210641, 278957, 421282, 557914, 1474487, 2948974, 10321409, 20642818]

約数ペア:

[(1, 20642818), (2, 10321409), (7, 2948974), (14, 1474487), (37, 557914), (49, 421282), (74, 278957), (98, 210641), (259, 79702), (518, 39851), (1813, 11386), (3626, 5693)]