20168754416

素因数分解:

$2^4\times {\mathrm{4159}}^1\times {\mathrm{303089}}^1$

素因数の和:307256

約数の個数: 20

約数和(自身を含む): 39086486400

約数和(自身を除く): 18917731984

約数列:

[1, 2, 4, 8, 16, 4159, 8318, 16636, 33272, 66544, 303089, 606178, 1212356, 2424712, 4849424, 1260547151, 2521094302, 5042188604, 10084377208, 20168754416]

約数ペア:

[(1, 20168754416), (2, 10084377208), (4, 5042188604), (8, 2521094302), (16, 1260547151), (4159, 4849424), (8318, 2424712), (16636, 1212356), (33272, 606178), (66544, 303089)]