22019439740

素因数分解:

$2^2\times 5^1\times {\mathrm{1100971987}}^1$

素因数の和:1100971996

約数の個数: 12

約数和(自身を含む): 46240823496

約数和(自身を除く): 24221383756

約数列:

[1, 2, 4, 5, 10, 20, 1100971987, 2201943974, 4403887948, 5504859935, 11009719870, 22019439740]

約数ペア:

[(1, 22019439740), (2, 11009719870), (4, 5504859935), (5, 4403887948), (10, 2201943974), (20, 1100971987)]