20432680

素因数分解:

$2^3\times 5^1\times {\mathrm{510817}}^1$

素因数の和:510828

約数の個数: 16

約数和(自身を含む): 45973620

約数和(自身を除く): 25540940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 510817, 1021634, 2043268, 2554085, 4086536, 5108170, 10216340, 20432680]

約数ペア:

[(1, 20432680), (2, 10216340), (4, 5108170), (5, 4086536), (8, 2554085), (10, 2043268), (20, 1021634), (40, 510817)]