20474875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 27743040

約数和(自身を除く): 7268165

約数列:

[1, 5, 19, 25, 37, 95, 125, 185, 233, 475, 703, 925, 1165, 2375, 3515, 4427, 4625, 5825, 8621, 17575, 22135, 29125, 43105, 87875, 110675, 163799, 215525, 553375, 818995, 1077625, 4094975, 20474875]

約数ペア:

[(1, 20474875), (5, 4094975), (19, 1077625), (25, 818995), (37, 553375), (95, 215525), (125, 163799), (185, 110675), (233, 87875), (475, 43105), (703, 29125), (925, 22135), (1165, 17575), (2375, 8621), (3515, 5825), (4427, 4625)]