20303138

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{769}}^1$

素因数の和:1121

約数の個数: 16

約数和(自身を含む): 31305120

約数和(自身を除く): 11001982

約数列:

[1, 2, 43, 86, 307, 614, 769, 1538, 13201, 26402, 33067, 66134, 236083, 472166, 10151569, 20303138]

約数ペア:

[(1, 20303138), (2, 10151569), (43, 472166), (86, 236083), (307, 66134), (614, 33067), (769, 26402), (1538, 13201)]