20148680

素因数分解:

$2^3\times 5^1\times {\mathrm{503717}}^1$

素因数の和:503728

約数の個数: 16

約数和(自身を含む): 45334620

約数和(自身を除く): 25185940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503717, 1007434, 2014868, 2518585, 4029736, 5037170, 10074340, 20148680]

約数ペア:

[(1, 20148680), (2, 10074340), (4, 5037170), (5, 4029736), (8, 2518585), (10, 2014868), (20, 1007434), (40, 503717)]