20954171

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 25141248

約数和(自身を除く): 4187077

約数列:

[1, 7, 31, 61, 217, 427, 1583, 1891, 11081, 13237, 49073, 96563, 343511, 675941, 2993453, 20954171]

約数ペア:

[(1, 20954171), (7, 2993453), (31, 675941), (61, 343511), (217, 96563), (427, 49073), (1583, 13237), (1891, 11081)]