20131788940

素因数分解:

$2^2\times 5^1\times {\mathrm{3541}}^1\times {\mathrm{284267}}^1$

素因数の和:287817

約数の個数: 24

約数和(自身を含む): 42288844752

約数和(自身を除く): 22157055812

約数列:

[1, 2, 4, 5, 10, 20, 3541, 7082, 14164, 17705, 35410, 70820, 284267, 568534, 1137068, 1421335, 2842670, 5685340, 1006589447, 2013178894, 4026357788, 5032947235, 10065894470, 20131788940]

約数ペア:

[(1, 20131788940), (2, 10065894470), (4, 5032947235), (5, 4026357788), (10, 2013178894), (20, 1006589447), (3541, 5685340), (7082, 2842670), (14164, 1421335), (17705, 1137068), (35410, 568534), (70820, 284267)]