20348935240

素因数分解:

$2^3\times 5^1\times {\mathrm{508723381}}^1$

素因数の和:508723392

約数の個数: 16

約数和(自身を含む): 45785104380

約数和(自身を除く): 25436169140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 508723381, 1017446762, 2034893524, 2543616905, 4069787048, 5087233810, 10174467620, 20348935240]

約数ペア:

[(1, 20348935240), (2, 10174467620), (4, 5087233810), (5, 4069787048), (8, 2543616905), (10, 2034893524), (20, 1017446762), (40, 508723381)]