20422725

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{859}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 33911520

約数和(自身を除く): 13488795

約数列:

[1, 3, 5, 15, 25, 75, 317, 859, 951, 1585, 2577, 4295, 4755, 7925, 12885, 21475, 23775, 64425, 272303, 816909, 1361515, 4084545, 6807575, 20422725]

約数ペア:

[(1, 20422725), (3, 6807575), (5, 4084545), (15, 1361515), (25, 816909), (75, 272303), (317, 64425), (859, 23775), (951, 21475), (1585, 12885), (2577, 7925), (4295, 4755)]