20651659

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 24708096

約数和(自身を除く): 4056437

約数列:

[1, 7, 41, 47, 287, 329, 1531, 1927, 10717, 13489, 62771, 71957, 439397, 503699, 2950237, 20651659]

約数ペア:

[(1, 20651659), (7, 2950237), (41, 503699), (47, 439397), (287, 71957), (329, 62771), (1531, 13489), (1927, 10717)]