31299620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142271}}^1$

素因数の和:142291

約数の個数: 24

約数和(自身を含む): 71705088

約数和(自身を除く): 40405468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142271, 284542, 569084, 711355, 1422710, 1564981, 2845420, 3129962, 6259924, 7824905, 15649810, 31299620]

約数ペア:

[(1, 31299620), (2, 15649810), (4, 7824905), (5, 6259924), (10, 3129962), (11, 2845420), (20, 1564981), (22, 1422710), (44, 711355), (55, 569084), (110, 284542), (220, 142271)]