20997460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95443}}^1$

素因数の和:95463

約数の個数: 24

約数和(自身を含む): 48103776

約数和(自身を除く): 27106316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95443, 190886, 381772, 477215, 954430, 1049873, 1908860, 2099746, 4199492, 5249365, 10498730, 20997460]

約数ペア:

[(1, 20997460), (2, 10498730), (4, 5249365), (5, 4199492), (10, 2099746), (11, 1908860), (20, 1049873), (22, 954430), (44, 477215), (55, 381772), (110, 190886), (220, 95443)]