20847627

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 32263920

約数和(自身を除く): 11416293

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1513, 1531, 4539, 4593, 13617, 13779, 26027, 78081, 136259, 234243, 408777, 1226331, 2316403, 6949209, 20847627]

約数ペア:

[(1, 20847627), (3, 6949209), (9, 2316403), (17, 1226331), (51, 408777), (89, 234243), (153, 136259), (267, 78081), (801, 26027), (1513, 13779), (1531, 13617), (4539, 4593)]