20928510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77513}}^1$

素因数の和:77529

約数の個数: 32

約数和(自身を含む): 55810080

約数和(自身を除く): 34881570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77513, 155026, 232539, 387565, 465078, 697617, 775130, 1162695, 1395234, 2092851, 2325390, 3488085, 4185702, 6976170, 10464255, 20928510]

約数ペア:

[(1, 20928510), (2, 10464255), (3, 6976170), (5, 4185702), (6, 3488085), (9, 2325390), (10, 2092851), (15, 1395234), (18, 1162695), (27, 775130), (30, 697617), (45, 465078), (54, 387565), (90, 232539), (135, 155026), (270, 77513)]