20275540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15131}}^1$

素因数の和:15207

約数の個数: 24

約数和(自身を含む): 43216992

約数和(自身を除く): 22941452

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 15131, 30262, 60524, 75655, 151310, 302620, 1013777, 2027554, 4055108, 5068885, 10137770, 20275540]

約数ペア:

[(1, 20275540), (2, 10137770), (4, 5068885), (5, 4055108), (10, 2027554), (20, 1013777), (67, 302620), (134, 151310), (268, 75655), (335, 60524), (670, 30262), (1340, 15131)]