20837563

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 23250240

約数和(自身を除く): 2412677

約数列:

[1, 17, 23, 137, 389, 391, 2329, 3151, 6613, 8947, 53293, 53567, 152099, 905981, 1225739, 20837563]

約数ペア:

[(1, 20837563), (17, 1225739), (23, 905981), (137, 152099), (389, 53567), (391, 53293), (2329, 8947), (3151, 6613)]