72822020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{21803}}^1$

素因数の和:21979

約数の個数: 24

約数和(自身を含む): 153849024

約数和(自身を除く): 81027004

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 21803, 43606, 87212, 109015, 218030, 436060, 3641101, 7282202, 14564404, 18205505, 36411010, 72822020]

約数ペア:

[(1, 72822020), (2, 36411010), (4, 18205505), (5, 14564404), (10, 7282202), (20, 3641101), (167, 436060), (334, 218030), (668, 109015), (835, 87212), (1670, 43606), (3340, 21803)]