20346739240

素因数分解:

$2^3\times 5^1\times {\mathrm{508668481}}^1$

素因数の和:508668492

約数の個数: 16

約数和(自身を含む): 45780163380

約数和(自身を除く): 25433424140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 508668481, 1017336962, 2034673924, 2543342405, 4069347848, 5086684810, 10173369620, 20346739240]

約数ペア:

[(1, 20346739240), (2, 10173369620), (4, 5086684810), (5, 4069347848), (8, 2543342405), (10, 2034673924), (20, 1017336962), (40, 508668481)]