20144375

素因数分解:

$5^4\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:380

約数の個数: 20

約数和(自身を含む): 25454352

約数和(自身を除く): 5309977

約数列:

[1, 5, 25, 125, 167, 193, 625, 835, 965, 4175, 4825, 20875, 24125, 32231, 104375, 120625, 161155, 805775, 4028875, 20144375]

約数ペア:

[(1, 20144375), (5, 4028875), (25, 805775), (125, 161155), (167, 120625), (193, 104375), (625, 32231), (835, 24125), (965, 20875), (4175, 4825)]