20352440

素因数分解:

$2^3\times 5^1\times {\mathrm{508811}}^1$

素因数の和:508822

約数の個数: 16

約数和(自身を含む): 45793080

約数和(自身を除く): 25440640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 508811, 1017622, 2035244, 2544055, 4070488, 5088110, 10176220, 20352440]

約数ペア:

[(1, 20352440), (2, 10176220), (4, 5088110), (5, 4070488), (8, 2544055), (10, 2035244), (20, 1017622), (40, 508811)]