20677069

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 25171200

約数和(自身を除く): 4494131

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2621, 7889, 18347, 60283, 128429, 421981, 899003, 2953867, 20677069]

約数ペア:

[(1, 20677069), (7, 2953867), (23, 899003), (49, 421981), (161, 128429), (343, 60283), (1127, 18347), (2621, 7889)]