20456177

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2593}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 24902400

約数和(自身を除く): 4446223

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2593, 7889, 18151, 59639, 127057, 417473, 889399, 2922311, 20456177]

約数ペア:

[(1, 20456177), (7, 2922311), (23, 889399), (49, 417473), (161, 127057), (343, 59639), (1127, 18151), (2593, 7889)]