20496175

素因数分解:

$5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 29257056

約数和(自身を除く): 8760881

約数列:

[1, 5, 7, 25, 35, 173, 175, 677, 865, 1211, 3385, 4325, 4739, 6055, 16925, 23695, 30275, 117121, 118475, 585605, 819847, 2928025, 4099235, 20496175]

約数ペア:

[(1, 20496175), (5, 4099235), (7, 2928025), (25, 819847), (35, 585605), (173, 118475), (175, 117121), (677, 30275), (865, 23695), (1211, 16925), (3385, 6055), (4325, 4739)]