20651620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93871}}^1$

素因数の和:93891

約数の個数: 24

約数和(自身を含む): 47311488

約数和(自身を除く): 26659868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93871, 187742, 375484, 469355, 938710, 1032581, 1877420, 2065162, 4130324, 5162905, 10325810, 20651620]

約数ペア:

[(1, 20651620), (2, 10325810), (4, 5162905), (5, 4130324), (10, 2065162), (11, 1877420), (20, 1032581), (22, 938710), (44, 469355), (55, 375484), (110, 187742), (220, 93871)]