20056981

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 23457280

約数和(自身を除く): 3400299

約数列:

[1, 7, 97, 109, 271, 679, 763, 1897, 10573, 26287, 29539, 74011, 184009, 206773, 2865283, 20056981]

約数ペア:

[(1, 20056981), (7, 2865283), (97, 206773), (109, 184009), (271, 74011), (679, 29539), (763, 26287), (1897, 10573)]