20346022120

素因数分解:

$2^3\times 5^1\times {\mathrm{508650553}}^1$

素因数の和:508650564

約数の個数: 16

約数和(自身を含む): 45778549860

約数和(自身を除く): 25432527740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 508650553, 1017301106, 2034602212, 2543252765, 4069204424, 5086505530, 10173011060, 20346022120]

約数ペア:

[(1, 20346022120), (2, 10173011060), (4, 5086505530), (5, 4069204424), (8, 2543252765), (10, 2034602212), (20, 1017301106), (40, 508650553)]