20686872

素因数分解:

$2^3\times 3^1\times {\mathrm{563}}^1\times {\mathrm{1531}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 51842880

約数和(自身を除く): 31156008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 563, 1126, 1531, 1689, 2252, 3062, 3378, 4504, 4593, 6124, 6756, 9186, 12248, 13512, 18372, 36744, 861953, 1723906, 2585859, 3447812, 5171718, 6895624, 10343436, 20686872]

約数ペア:

[(1, 20686872), (2, 10343436), (3, 6895624), (4, 5171718), (6, 3447812), (8, 2585859), (12, 1723906), (24, 861953), (563, 36744), (1126, 18372), (1531, 13512), (1689, 12248), (2252, 9186), (3062, 6756), (3378, 6124), (4504, 4593)]