20889864

素因数分解:

$2^3\times 3^2\times {\mathrm{290137}}^1$

素因数の和:290149

約数の個数: 24

約数和(自身を含む): 56576910

約数和(自身を除く): 35687046

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290137, 580274, 870411, 1160548, 1740822, 2321096, 2611233, 3481644, 5222466, 6963288, 10444932, 20889864]

約数ペア:

[(1, 20889864), (2, 10444932), (3, 6963288), (4, 5222466), (6, 3481644), (8, 2611233), (9, 2321096), (12, 1740822), (18, 1160548), (24, 870411), (36, 580274), (72, 290137)]