20983822

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2251}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 32428800

約数和(自身を除く): 11444978

約数列:

[1, 2, 59, 79, 118, 158, 2251, 4502, 4661, 9322, 132809, 177829, 265618, 355658, 10491911, 20983822]

約数ペア:

[(1, 20983822), (2, 10491911), (59, 355658), (79, 265618), (118, 177829), (158, 132809), (2251, 9322), (4502, 4661)]