208093820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945881}}^1$

素因数の和:945901

約数の個数: 24

約数和(自身を含む): 476724528

約数和(自身を除く): 268630708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945881, 1891762, 3783524, 4729405, 9458810, 10404691, 18917620, 20809382, 41618764, 52023455, 104046910, 208093820]

約数ペア:

[(1, 208093820), (2, 104046910), (4, 52023455), (5, 41618764), (10, 20809382), (11, 18917620), (20, 10404691), (22, 9458810), (44, 4729405), (55, 3783524), (110, 1891762), (220, 945881)]