67767620

素因数分解:

$2^2\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{1871}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 142466688

約数和(自身を除く): 74699068

約数列:

[1, 2, 4, 5, 10, 20, 1811, 1871, 3622, 3742, 7244, 7484, 9055, 9355, 18110, 18710, 36220, 37420, 3388381, 6776762, 13553524, 16941905, 33883810, 67767620]

約数ペア:

[(1, 67767620), (2, 33883810), (4, 16941905), (5, 13553524), (10, 6776762), (20, 3388381), (1811, 37420), (1871, 36220), (3622, 18710), (3742, 18110), (7244, 9355), (7484, 9055)]