13211740

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1021}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 27814752

約数和(自身を除く): 14603012

約数列:

[1, 2, 4, 5, 10, 20, 647, 1021, 1294, 2042, 2588, 3235, 4084, 5105, 6470, 10210, 12940, 20420, 660587, 1321174, 2642348, 3302935, 6605870, 13211740]

約数ペア:

[(1, 13211740), (2, 6605870), (4, 3302935), (5, 2642348), (10, 1321174), (20, 660587), (647, 20420), (1021, 12940), (1294, 10210), (2042, 6470), (2588, 5105), (3235, 4084)]