20283207

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4499

約数の個数: 24

約数和(自身を含む): 32481792

約数和(自身を除く): 12198585

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4451, 4557, 13353, 31157, 93471, 137981, 218099, 413943, 654297, 965867, 2897601, 6761069, 20283207]

約数ペア:

[(1, 20283207), (3, 6761069), (7, 2897601), (21, 965867), (31, 654297), (49, 413943), (93, 218099), (147, 137981), (217, 93471), (651, 31157), (1519, 13353), (4451, 4557)]