20013678

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6427}}^1$

素因数の和:6608

約数の個数: 24

約数和(自身を含む): 43620408

約数和(自身を除く): 23606730

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6427, 12854, 19281, 38562, 57843, 115686, 1111871, 2223742, 3335613, 6671226, 10006839, 20013678]

約数ペア:

[(1, 20013678), (2, 10006839), (3, 6671226), (6, 3335613), (9, 2223742), (18, 1111871), (173, 115686), (346, 57843), (519, 38562), (1038, 19281), (1557, 12854), (3114, 6427)]