20132185880

素因数分解:

$2^3\times 5^1\times {\mathrm{2551}}^1\times {\mathrm{197297}}^1$

素因数の和:199859

約数の個数: 32

約数和(自身を含む): 45315404640

約数和(自身を除く): 25183218760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2551, 5102, 10204, 12755, 20408, 25510, 51020, 102040, 197297, 394594, 789188, 986485, 1578376, 1972970, 3945940, 7891880, 503304647, 1006609294, 2013218588, 2516523235, 4026437176, 5033046470, 10066092940, 20132185880]

約数ペア:

[(1, 20132185880), (2, 10066092940), (4, 5033046470), (5, 4026437176), (8, 2516523235), (10, 2013218588), (20, 1006609294), (40, 503304647), (2551, 7891880), (5102, 3945940), (10204, 1972970), (12755, 1578376), (20408, 986485), (25510, 789188), (51020, 394594), (102040, 197297)]