20906625

素因数分解:

$3^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 35088768

約数和(自身を除く): 14182143

約数列:

[1, 3, 5, 15, 25, 75, 125, 197, 283, 375, 591, 849, 985, 1415, 2955, 4245, 4925, 7075, 14775, 21225, 24625, 35375, 55751, 73875, 106125, 167253, 278755, 836265, 1393775, 4181325, 6968875, 20906625]

約数ペア:

[(1, 20906625), (3, 6968875), (5, 4181325), (15, 1393775), (25, 836265), (75, 278755), (125, 167253), (197, 106125), (283, 73875), (375, 55751), (591, 35375), (849, 24625), (985, 21225), (1415, 14775), (2955, 7075), (4245, 4925)]