2000420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3449}}^1$

素因数の和:3487

約数の個数: 24

約数和(自身を含む): 4347000

約数和(自身を除く): 2346580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3449, 6898, 13796, 17245, 34490, 68980, 100021, 200042, 400084, 500105, 1000210, 2000420]

約数ペア:

[(1, 2000420), (2, 1000210), (4, 500105), (5, 400084), (10, 200042), (20, 100021), (29, 68980), (58, 34490), (116, 17245), (145, 13796), (290, 6898), (580, 3449)]