20112491

素因数分解:

$7^3\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:519

約数の個数: 16

約数和(自身を含む): 23654400

約数和(自身を除く): 3541909

約数列:

[1, 7, 49, 191, 307, 343, 1337, 2149, 9359, 15043, 58637, 65513, 105301, 410459, 2873213, 20112491]

約数ペア:

[(1, 20112491), (7, 2873213), (49, 410459), (191, 105301), (307, 65513), (343, 58637), (1337, 15043), (2149, 9359)]