20384362985

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{232871}}^1$

素因数の和:232985

約数の個数: 32

約数和(自身を含む): 29107137024

約数和(自身を除く): 8722774039

約数列:

[1, 5, 7, 35, 41, 61, 205, 287, 305, 427, 1435, 2135, 2501, 12505, 17507, 87535, 232871, 1164355, 1630097, 8150485, 9547711, 14205131, 47738555, 66833977, 71025655, 99435917, 334169885, 497179585, 582410371, 2912051855, 4076872597, 20384362985]

約数ペア:

[(1, 20384362985), (5, 4076872597), (7, 2912051855), (35, 582410371), (41, 497179585), (61, 334169885), (205, 99435917), (287, 71025655), (305, 66833977), (427, 47738555), (1435, 14205131), (2135, 9547711), (2501, 8150485), (12505, 1630097), (17507, 1164355), (87535, 232871)]