20215790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5449}}^1$

素因数の和:5516

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 22163410

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5449, 10898, 27245, 38143, 54490, 76286, 190715, 288797, 381430, 577594, 1443985, 2021579, 2887970, 4043158, 10107895, 20215790]

約数ペア:

[(1, 20215790), (2, 10107895), (5, 4043158), (7, 2887970), (10, 2021579), (14, 1443985), (35, 577594), (53, 381430), (70, 288797), (106, 190715), (265, 76286), (371, 54490), (530, 38143), (742, 27245), (1855, 10898), (3710, 5449)]