20952848

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6451}}^1$

素因数の和:6495

約数の個数: 40

約数和(自身を含む): 48002880

約数和(自身を除く): 27050032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6451, 12902, 25804, 45157, 51608, 90314, 103216, 180628, 187079, 361256, 374158, 722512, 748316, 1309553, 1496632, 2619106, 2993264, 5238212, 10476424, 20952848]

約数ペア:

[(1, 20952848), (2, 10476424), (4, 5238212), (7, 2993264), (8, 2619106), (14, 1496632), (16, 1309553), (28, 748316), (29, 722512), (56, 374158), (58, 361256), (112, 187079), (116, 180628), (203, 103216), (232, 90314), (406, 51608), (464, 45157), (812, 25804), (1624, 12902), (3248, 6451)]