20704807

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 22671360

約数和(自身を除く): 1966553

約数列:

[1, 23, 31, 71, 409, 713, 1633, 2201, 9407, 12679, 29039, 50623, 291617, 667897, 900209, 20704807]

約数ペア:

[(1, 20704807), (23, 900209), (31, 667897), (71, 291617), (409, 50623), (713, 29039), (1633, 12679), (2201, 9407)]