20153202980

素因数分解:

$2^2\times 5^1\times {\mathrm{14629}}^1\times {\mathrm{68881}}^1$

素因数の和:83519

約数の個数: 24

約数和(自身を含む): 42325233720

約数和(自身を除く): 22172030740

約数列:

[1, 2, 4, 5, 10, 20, 14629, 29258, 58516, 68881, 73145, 137762, 146290, 275524, 292580, 344405, 688810, 1377620, 1007660149, 2015320298, 4030640596, 5038300745, 10076601490, 20153202980]

約数ペア:

[(1, 20153202980), (2, 10076601490), (4, 5038300745), (5, 4030640596), (10, 2015320298), (20, 1007660149), (14629, 1377620), (29258, 688810), (58516, 344405), (68881, 292580), (73145, 275524), (137762, 146290)]