20516506

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{3947}}^1$

素因数の和:4085

約数の個数: 16

約数和(自身を含む): 32405184

約数和(自身を除く): 11888678

約数列:

[1, 2, 23, 46, 113, 226, 2599, 3947, 5198, 7894, 90781, 181562, 446011, 892022, 10258253, 20516506]

約数ペア:

[(1, 20516506), (2, 10258253), (23, 892022), (46, 446011), (113, 181562), (226, 90781), (2599, 7894), (3947, 5198)]