20050125

素因数分解:

$3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 33705984

約数和(自身を除く): 13655859

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 421, 635, 1263, 1905, 2105, 3175, 6315, 9525, 10525, 15875, 31575, 47625, 52625, 53467, 157875, 160401, 267335, 802005, 1336675, 4010025, 6683375, 20050125]

約数ペア:

[(1, 20050125), (3, 6683375), (5, 4010025), (15, 1336675), (25, 802005), (75, 267335), (125, 160401), (127, 157875), (375, 53467), (381, 52625), (421, 47625), (635, 31575), (1263, 15875), (1905, 10525), (2105, 9525), (3175, 6315)]