20901864

素因数分解:

$2^3\times 3^1\times {\mathrm{870911}}^1$

素因数の和:870920

約数の個数: 16

約数和(自身を含む): 52254720

約数和(自身を除く): 31352856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 870911, 1741822, 2612733, 3483644, 5225466, 6967288, 10450932, 20901864]

約数ペア:

[(1, 20901864), (2, 10450932), (3, 6967288), (4, 5225466), (6, 3483644), (8, 2612733), (12, 1741822), (24, 870911)]