20803605

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33827}}^1$

素因数の和:33876

約数の個数: 16

約数和(自身を含む): 34098624

約数和(自身を除く): 13295019

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33827, 101481, 169135, 507405, 1386907, 4160721, 6934535, 20803605]

約数ペア:

[(1, 20803605), (3, 6934535), (5, 4160721), (15, 1386907), (41, 507405), (123, 169135), (205, 101481), (615, 33827)]