20963288

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90359}}^1$

素因数の和:90394

約数の個数: 16

約数和(自身を含む): 40662000

約数和(自身を除く): 19698712

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90359, 180718, 361436, 722872, 2620411, 5240822, 10481644, 20963288]

約数ペア:

[(1, 20963288), (2, 10481644), (4, 5240822), (8, 2620411), (29, 722872), (58, 361436), (116, 180718), (232, 90359)]