201689620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{916771}}^1$

素因数の和:916791

約数の個数: 24

約数和(自身を含む): 462053088

約数和(自身を除く): 260363468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 916771, 1833542, 3667084, 4583855, 9167710, 10084481, 18335420, 20168962, 40337924, 50422405, 100844810, 201689620]

約数ペア:

[(1, 201689620), (2, 100844810), (4, 50422405), (5, 40337924), (10, 20168962), (11, 18335420), (20, 10084481), (22, 9167710), (44, 4583855), (55, 3667084), (110, 1833542), (220, 916771)]