20335420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145253}}^1$

素因数の和:145269

約数の個数: 24

約数和(自身を含む): 48805344

約数和(自身を除く): 28469924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145253, 290506, 581012, 726265, 1016771, 1452530, 2033542, 2905060, 4067084, 5083855, 10167710, 20335420]

約数ペア:

[(1, 20335420), (2, 10167710), (4, 5083855), (5, 4067084), (7, 2905060), (10, 2033542), (14, 1452530), (20, 1016771), (28, 726265), (35, 581012), (70, 290506), (140, 145253)]