20587925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 27230400

約数和(自身を除く): 6642475

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 487, 1691, 2225, 2435, 8455, 9253, 12175, 42275, 43343, 46265, 216715, 231325, 823517, 1083575, 4117585, 20587925]

約数ペア:

[(1, 20587925), (5, 4117585), (19, 1083575), (25, 823517), (89, 231325), (95, 216715), (445, 46265), (475, 43343), (487, 42275), (1691, 12175), (2225, 9253), (2435, 8455)]