20045354

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2213}}^1$

素因数の和:2869

約数の個数: 16

約数和(自身を含む): 34432128

約数和(自身を除く): 14386774

約数列:

[1, 2, 7, 14, 647, 1294, 2213, 4426, 4529, 9058, 15491, 30982, 1431811, 2863622, 10022677, 20045354]

約数ペア:

[(1, 20045354), (2, 10022677), (7, 2863622), (14, 1431811), (647, 30982), (1294, 15491), (2213, 9058), (4426, 4529)]