27420220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3181}}^1$

素因数の和:3621

約数の個数: 24

約数和(自身を含む): 57734208

約数和(自身を除く): 30313988

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 3181, 4310, 6362, 8620, 12724, 15905, 31810, 63620, 1371011, 2742022, 5484044, 6855055, 13710110, 27420220]

約数ペア:

[(1, 27420220), (2, 13710110), (4, 6855055), (5, 5484044), (10, 2742022), (20, 1371011), (431, 63620), (862, 31810), (1724, 15905), (2155, 12724), (3181, 8620), (4310, 6362)]