15394420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7621}}^1$

素因数の和:7731

約数の個数: 24

約数和(自身を含む): 32652648

約数和(自身を除く): 17258228

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 7621, 15242, 30484, 38105, 76210, 152420, 769721, 1539442, 3078884, 3848605, 7697210, 15394420]

約数ペア:

[(1, 15394420), (2, 7697210), (4, 3848605), (5, 3078884), (10, 1539442), (20, 769721), (101, 152420), (202, 76210), (404, 38105), (505, 30484), (1010, 15242), (2020, 7621)]