18083070020

素因数分解:

$2^2\times 5^1\times {\mathrm{904153501}}^1$

素因数の和:904153510

約数の個数: 12

約数和(自身を含む): 37974447084

約数和(自身を除く): 19891377064

約数列:

[1, 2, 4, 5, 10, 20, 904153501, 1808307002, 3616614004, 4520767505, 9041535010, 18083070020]

約数ペア:

[(1, 18083070020), (2, 9041535010), (4, 4520767505), (5, 3616614004), (10, 1808307002), (20, 904153501)]