20796260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54727}}^1$

素因数の和:54755

約数の個数: 24

約数和(自身を含む): 45971520

約数和(自身を除く): 25175260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54727, 109454, 218908, 273635, 547270, 1039813, 1094540, 2079626, 4159252, 5199065, 10398130, 20796260]

約数ペア:

[(1, 20796260), (2, 10398130), (4, 5199065), (5, 4159252), (10, 2079626), (19, 1094540), (20, 1039813), (38, 547270), (76, 273635), (95, 218908), (190, 109454), (380, 54727)]