20085836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 35976864

約数和(自身を除く): 15891028

約数列:

[1, 2, 4, 61, 122, 244, 263, 313, 526, 626, 1052, 1252, 16043, 19093, 32086, 38186, 64172, 76372, 82319, 164638, 329276, 5021459, 10042918, 20085836]

約数ペア:

[(1, 20085836), (2, 10042918), (4, 5021459), (61, 329276), (122, 164638), (244, 82319), (263, 76372), (313, 64172), (526, 38186), (626, 32086), (1052, 19093), (1252, 16043)]