2013370420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{240259}}^1$

素因数の和:240687

約数の個数: 24

約数和(自身を含む): 4238186400

約数和(自身を除く): 2224815980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 240259, 480518, 961036, 1201295, 2402590, 4805180, 100668521, 201337042, 402674084, 503342605, 1006685210, 2013370420]

約数ペア:

[(1, 2013370420), (2, 1006685210), (4, 503342605), (5, 402674084), (10, 201337042), (20, 100668521), (419, 4805180), (838, 2402590), (1676, 1201295), (2095, 961036), (4190, 480518), (8380, 240259)]