20480348

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4909}}^1$

素因数の和:5069

約数の個数: 24

約数和(自身を含む): 41244000

約数和(自身を除く): 20763652

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 4909, 9818, 19636, 34363, 68726, 137452, 731441, 1462882, 2925764, 5120087, 10240174, 20480348]

約数ペア:

[(1, 20480348), (2, 10240174), (4, 5120087), (7, 2925764), (14, 1462882), (28, 731441), (149, 137452), (298, 68726), (596, 34363), (1043, 19636), (2086, 9818), (4172, 4909)]