20261240

素因数分解:

$2^3\times 5^1\times {\mathrm{506531}}^1$

素因数の和:506542

約数の個数: 16

約数和(自身を含む): 45587880

約数和(自身を除く): 25326640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506531, 1013062, 2026124, 2532655, 4052248, 5065310, 10130620, 20261240]

約数ペア:

[(1, 20261240), (2, 10130620), (4, 5065310), (5, 4052248), (8, 2532655), (10, 2026124), (20, 1013062), (40, 506531)]