20526664

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 40248000

約数和(自身を除く): 19721336

約数列:

[1, 2, 4, 8, 29, 58, 103, 116, 206, 232, 412, 824, 859, 1718, 2987, 3436, 5974, 6872, 11948, 23896, 24911, 49822, 88477, 99644, 176954, 199288, 353908, 707816, 2565833, 5131666, 10263332, 20526664]

約数ペア:

[(1, 20526664), (2, 10263332), (4, 5131666), (8, 2565833), (29, 707816), (58, 353908), (103, 199288), (116, 176954), (206, 99644), (232, 88477), (412, 49822), (824, 24911), (859, 23896), (1718, 11948), (2987, 6872), (3436, 5974)]