20149591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1733}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 25302528

約数和(自身を除く): 5152937

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1733, 11627, 12131, 19063, 133441, 261683, 1831781, 2878513, 20149591]

約数ペア:

[(1, 20149591), (7, 2878513), (11, 1831781), (77, 261683), (151, 133441), (1057, 19063), (1661, 12131), (1733, 11627)]