68435420

素因数分解:

$2^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{1877}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 143869824

約数和(自身を除く): 75434404

約数列:

[1, 2, 4, 5, 10, 20, 1823, 1877, 3646, 3754, 7292, 7508, 9115, 9385, 18230, 18770, 36460, 37540, 3421771, 6843542, 13687084, 17108855, 34217710, 68435420]

約数ペア:

[(1, 68435420), (2, 34217710), (4, 17108855), (5, 13687084), (10, 6843542), (20, 3421771), (1823, 37540), (1877, 36460), (3646, 18770), (3754, 18230), (7292, 9385), (7508, 9115)]