20869605

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6353}}^1$

素因数の和:6437

約数の個数: 24

約数和(自身を含む): 36675288

約数和(自身を除く): 15805683

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6353, 19059, 31765, 57177, 95295, 285885, 463769, 1391307, 2318845, 4173921, 6956535, 20869605]

約数ペア:

[(1, 20869605), (3, 6956535), (5, 4173921), (9, 2318845), (15, 1391307), (45, 463769), (73, 285885), (219, 95295), (365, 57177), (657, 31765), (1095, 19059), (3285, 6353)]