20979242

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11161558

約数列:

[1, 2, 61, 122, 359, 479, 718, 958, 21899, 29219, 43798, 58438, 171961, 343922, 10489621, 20979242]

約数ペア:

[(1, 20979242), (2, 10489621), (61, 343922), (122, 171961), (359, 58438), (479, 43798), (718, 29219), (958, 21899)]