20406095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2719}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 26112000

約数和(自身を除く): 5705905

約数列:

[1, 5, 19, 79, 95, 395, 1501, 2719, 7505, 13595, 51661, 214801, 258305, 1074005, 4081219, 20406095]

約数ペア:

[(1, 20406095), (5, 4081219), (19, 1074005), (79, 258305), (95, 214801), (395, 51661), (1501, 13595), (2719, 7505)]