13657220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6761}}^1$

素因数の和:6871

約数の個数: 24

約数和(自身を含む): 28968408

約数和(自身を除く): 15311188

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 6761, 13522, 27044, 33805, 67610, 135220, 682861, 1365722, 2731444, 3414305, 6828610, 13657220]

約数ペア:

[(1, 13657220), (2, 6828610), (4, 3414305), (5, 2731444), (10, 1365722), (20, 682861), (101, 135220), (202, 67610), (404, 33805), (505, 27044), (1010, 13522), (2020, 6761)]