20264260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53327}}^1$

素因数の和:53355

約数の個数: 24

約数和(自身を含む): 44795520

約数和(自身を除く): 24531260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53327, 106654, 213308, 266635, 533270, 1013213, 1066540, 2026426, 4052852, 5066065, 10132130, 20264260]

約数ペア:

[(1, 20264260), (2, 10132130), (4, 5066065), (5, 4052852), (10, 2026426), (19, 1066540), (20, 1013213), (38, 533270), (76, 266635), (95, 213308), (190, 106654), (380, 53327)]