220170620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{67537}}^1$

素因数の和:67709

約数の個数: 24

約数和(自身を含む): 465201744

約数和(自身を除く): 245031124

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 67537, 135074, 270148, 337685, 675370, 1350740, 11008531, 22017062, 44034124, 55042655, 110085310, 220170620]

約数ペア:

[(1, 220170620), (2, 110085310), (4, 55042655), (5, 44034124), (10, 22017062), (20, 11008531), (163, 1350740), (326, 675370), (652, 337685), (815, 270148), (1630, 135074), (3260, 67537)]