16790980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3121}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 35403480

約数和(自身を除く): 18612500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3121, 5380, 6242, 12484, 15605, 31210, 62420, 839549, 1679098, 3358196, 4197745, 8395490, 16790980]

約数ペア:

[(1, 16790980), (2, 8395490), (4, 4197745), (5, 3358196), (10, 1679098), (20, 839549), (269, 62420), (538, 31210), (1076, 15605), (1345, 12484), (2690, 6242), (3121, 5380)]