20434141

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 4822307

約数列:

[1, 7, 13, 91, 431, 521, 3017, 3647, 5603, 6773, 39221, 47411, 224551, 1571857, 2919163, 20434141]

約数ペア:

[(1, 20434141), (7, 2919163), (13, 1571857), (91, 224551), (431, 47411), (521, 39221), (3017, 6773), (3647, 5603)]