17384720

素因数分解:

$2^4\times 5^1\times {\mathrm{217309}}^1$

素因数の和:217322

約数の個数: 20

約数和(自身を含む): 40419660

約数和(自身を除く): 23034940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217309, 434618, 869236, 1086545, 1738472, 2173090, 3476944, 4346180, 8692360, 17384720]

約数ペア:

[(1, 17384720), (2, 8692360), (4, 4346180), (5, 3476944), (8, 2173090), (10, 1738472), (16, 1086545), (20, 869236), (40, 434618), (80, 217309)]