20339375

素因数分解:

$5^4\times 7^1\times {\mathrm{4649}}^1$

素因数の和:4676

約数の個数: 20

約数和(自身を含む): 29053200

約数和(自身を除く): 8713825

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 4649, 23245, 32543, 116225, 162715, 581125, 813575, 2905625, 4067875, 20339375]

約数ペア:

[(1, 20339375), (5, 4067875), (7, 2905625), (25, 813575), (35, 581125), (125, 162715), (175, 116225), (625, 32543), (875, 23245), (4375, 4649)]