20245240

素因数分解:

$2^3\times 5^1\times {\mathrm{506131}}^1$

素因数の和:506142

約数の個数: 16

約数和(自身を含む): 45551880

約数和(自身を除く): 25306640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506131, 1012262, 2024524, 2530655, 4049048, 5061310, 10122620, 20245240]

約数ペア:

[(1, 20245240), (2, 10122620), (4, 5061310), (5, 4049048), (8, 2530655), (10, 2024524), (20, 1012262), (40, 506131)]