20408746

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{773}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 31467744

約数和(自身を除く): 11058998

約数列:

[1, 2, 43, 86, 307, 614, 773, 1546, 13201, 26402, 33239, 66478, 237311, 474622, 10204373, 20408746]

約数ペア:

[(1, 20408746), (2, 10204373), (43, 474622), (86, 237311), (307, 66478), (614, 33239), (773, 26402), (1546, 13201)]