20922875

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{2837}}^1$

素因数の和:2911

約数の個数: 16

約数和(自身を含む): 26563680

約数和(自身を除く): 5640805

約数列:

[1, 5, 25, 59, 125, 295, 1475, 2837, 7375, 14185, 70925, 167383, 354625, 836915, 4184575, 20922875]

約数ペア:

[(1, 20922875), (5, 4184575), (25, 836915), (59, 354625), (125, 167383), (295, 70925), (1475, 14185), (2837, 7375)]