20802325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 27159968

約数和(自身を除く): 6357643

約数列:

[1, 5, 25, 37, 43, 185, 215, 523, 925, 1075, 1591, 2615, 7955, 13075, 19351, 22489, 39775, 96755, 112445, 483775, 562225, 832093, 4160465, 20802325]

約数ペア:

[(1, 20802325), (5, 4160465), (25, 832093), (37, 562225), (43, 483775), (185, 112445), (215, 96755), (523, 39775), (925, 22489), (1075, 19351), (1591, 13075), (2615, 7955)]