20383340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59951}}^1$

素因数の和:59977

約数の個数: 24

約数和(自身を含む): 45323712

約数和(自身を除く): 24940372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59951, 119902, 239804, 299755, 599510, 1019167, 1199020, 2038334, 4076668, 5095835, 10191670, 20383340]

約数ペア:

[(1, 20383340), (2, 10191670), (4, 5095835), (5, 4076668), (10, 2038334), (17, 1199020), (20, 1019167), (34, 599510), (68, 299755), (85, 239804), (170, 119902), (340, 59951)]