20440427

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 24310272

約数和(自身を除く): 3869845

約数列:

[1, 7, 41, 67, 287, 469, 1063, 2747, 7441, 19229, 43583, 71221, 305081, 498547, 2920061, 20440427]

約数ペア:

[(1, 20440427), (7, 2920061), (41, 498547), (67, 305081), (287, 71221), (469, 43583), (1063, 19229), (2747, 7441)]