20825950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10159}}^1$

素因数の和:10212

約数の個数: 24

約数和(自身を含む): 39684960

約数和(自身を除く): 18859010

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10159, 20318, 50795, 101590, 253975, 416519, 507950, 833038, 2082595, 4165190, 10412975, 20825950]

約数ペア:

[(1, 20825950), (2, 10412975), (5, 4165190), (10, 2082595), (25, 833038), (41, 507950), (50, 416519), (82, 253975), (205, 101590), (410, 50795), (1025, 20318), (2050, 10159)]