20163340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7253}}^1$

素因数の和:7401

約数の個数: 24

約数和(自身を含む): 42653520

約数和(自身を除く): 22490180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7253, 14506, 29012, 36265, 72530, 145060, 1008167, 2016334, 4032668, 5040835, 10081670, 20163340]

約数ペア:

[(1, 20163340), (2, 10081670), (4, 5040835), (5, 4032668), (10, 2016334), (20, 1008167), (139, 145060), (278, 72530), (556, 36265), (695, 29012), (1390, 14506), (2780, 7253)]