20125544740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143753891}}^1$

素因数の和:143753907

約数の個数: 24

約数和(自身を含む): 48301307712

約数和(自身を除く): 28175762972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143753891, 287507782, 575015564, 718769455, 1006277237, 1437538910, 2012554474, 2875077820, 4025108948, 5031386185, 10062772370, 20125544740]

約数ペア:

[(1, 20125544740), (2, 10062772370), (4, 5031386185), (5, 4025108948), (7, 2875077820), (10, 2012554474), (14, 1437538910), (20, 1006277237), (28, 718769455), (35, 575015564), (70, 287507782), (140, 143753891)]