12138820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20929}}^1$

素因数の和:20967

約数の個数: 24

約数和(自身を含む): 26371800

約数和(自身を除く): 14232980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 20929, 41858, 83716, 104645, 209290, 418580, 606941, 1213882, 2427764, 3034705, 6069410, 12138820]

約数ペア:

[(1, 12138820), (2, 6069410), (4, 3034705), (5, 2427764), (10, 1213882), (20, 606941), (29, 418580), (58, 209290), (116, 104645), (145, 83716), (290, 41858), (580, 20929)]