1333519420

素因数分解:

$2^2\times 5^1\times {\mathrm{5381}}^1\times {\mathrm{12391}}^1$

素因数の和:17781

約数の個数: 24

約数和(自身を含む): 2801137248

約数和(自身を除く): 1467617828

約数列:

[1, 2, 4, 5, 10, 20, 5381, 10762, 12391, 21524, 24782, 26905, 49564, 53810, 61955, 107620, 123910, 247820, 66675971, 133351942, 266703884, 333379855, 666759710, 1333519420]

約数ペア:

[(1, 1333519420), (2, 666759710), (4, 333379855), (5, 266703884), (10, 133351942), (20, 66675971), (5381, 247820), (10762, 123910), (12391, 107620), (21524, 61955), (24782, 53810), (26905, 49564)]