20794125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 38286144

約数和(自身を除く): 17492019

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 125, 165, 213, 275, 355, 375, 781, 825, 1065, 1375, 1775, 2343, 3905, 4125, 5041, 5325, 8875, 11715, 15123, 19525, 25205, 26625, 55451, 58575, 75615, 97625, 126025, 166353, 277255, 292875, 378075, 630125, 831765, 1386275, 1890375, 4158825, 6931375, 20794125]

約数ペア:

[(1, 20794125), (3, 6931375), (5, 4158825), (11, 1890375), (15, 1386275), (25, 831765), (33, 630125), (55, 378075), (71, 292875), (75, 277255), (125, 166353), (165, 126025), (213, 97625), (275, 75615), (355, 58575), (375, 55451), (781, 26625), (825, 25205), (1065, 19525), (1375, 15123), (1775, 11715), (2343, 8875), (3905, 5325), (4125, 5041)]