15909020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10069}}^1$

素因数の和:10157

約数の個数: 24

約数和(自身を含む): 33835200

約数和(自身を除く): 17926180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10069, 20138, 40276, 50345, 100690, 201380, 795451, 1590902, 3181804, 3977255, 7954510, 15909020]

約数ペア:

[(1, 15909020), (2, 7954510), (4, 3977255), (5, 3181804), (10, 1590902), (20, 795451), (79, 201380), (158, 100690), (316, 50345), (395, 40276), (790, 20138), (1580, 10069)]