20569198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5039}}^1$

素因数の和:5211

約数の個数: 16

約数和(自身を含む): 33445440

約数和(自身を除く): 12876242

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5039, 10078, 65507, 131014, 791123, 1582246, 10284599, 20569198]

約数ペア:

[(1, 20569198), (2, 10284599), (13, 1582246), (26, 791123), (157, 131014), (314, 65507), (2041, 10078), (4082, 5039)]