86202020

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{3121}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 181213368

約数和(自身を除く): 95011348

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 3121, 5524, 6242, 6905, 12484, 13810, 15605, 27620, 31210, 62420, 4310101, 8620202, 17240404, 21550505, 43101010, 86202020]

約数ペア:

[(1, 86202020), (2, 43101010), (4, 21550505), (5, 17240404), (10, 8620202), (20, 4310101), (1381, 62420), (2762, 31210), (3121, 27620), (5524, 15605), (6242, 13810), (6905, 12484)]