20180867

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 24245760

約数和(自身を除く): 4064893

約数列:

[1, 7, 23, 161, 163, 769, 1141, 3749, 5383, 17687, 26243, 123809, 125347, 877429, 2882981, 20180867]

約数ペア:

[(1, 20180867), (7, 2882981), (23, 877429), (161, 125347), (163, 123809), (769, 26243), (1141, 17687), (3749, 5383)]