20995140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349919}}^1$

素因数の和:349931

約数の個数: 24

約数和(自身を含む): 58786560

約数和(自身を除く): 37791420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349919, 699838, 1049757, 1399676, 1749595, 2099514, 3499190, 4199028, 5248785, 6998380, 10497570, 20995140]

約数ペア:

[(1, 20995140), (2, 10497570), (3, 6998380), (4, 5248785), (5, 4199028), (6, 3499190), (10, 2099514), (12, 1749595), (15, 1399676), (20, 1049757), (30, 699838), (60, 349919)]