20329123960

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3365749}}^1$

素因数の和:3365911

約数の個数: 32

約数和(自身を含む): 46043460000

約数和(自身を除く): 25714336040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 3365749, 6731498, 13462996, 16828745, 26925992, 33657490, 67314980, 134629960, 508228099, 1016456198, 2032912396, 2541140495, 4065824792, 5082280990, 10164561980, 20329123960]

約数ペア:

[(1, 20329123960), (2, 10164561980), (4, 5082280990), (5, 4065824792), (8, 2541140495), (10, 2032912396), (20, 1016456198), (40, 508228099), (151, 134629960), (302, 67314980), (604, 33657490), (755, 26925992), (1208, 16828745), (1510, 13462996), (3020, 6731498), (6040, 3365749)]