20132557875

素因数分解:

$3^2\times 5^3\times {\mathrm{163}}^1\times {\mathrm{109789}}^1$

素因数の和:109973

約数の個数: 48

約数和(自身を含む): 36515275680

約数和(自身を除く): 16382717805

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 163, 225, 375, 489, 815, 1125, 1467, 2445, 4075, 7335, 12225, 20375, 36675, 61125, 109789, 183375, 329367, 548945, 988101, 1646835, 2744725, 4940505, 8234175, 13723625, 17895607, 24702525, 41170875, 53686821, 89478035, 123512625, 161060463, 268434105, 447390175, 805302315, 1342170525, 2236950875, 4026511575, 6710852625, 20132557875]

約数ペア:

[(1, 20132557875), (3, 6710852625), (5, 4026511575), (9, 2236950875), (15, 1342170525), (25, 805302315), (45, 447390175), (75, 268434105), (125, 161060463), (163, 123512625), (225, 89478035), (375, 53686821), (489, 41170875), (815, 24702525), (1125, 17895607), (1467, 13723625), (2445, 8234175), (4075, 4940505), (7335, 2744725), (12225, 1646835), (20375, 988101), (36675, 548945), (61125, 329367), (109789, 183375)]