20157631

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 23151744

約数和(自身を除く): 2994113

約数列:

[1, 13, 17, 197, 221, 463, 2561, 3349, 6019, 7871, 43537, 91211, 102323, 1185743, 1550587, 20157631]

約数ペア:

[(1, 20157631), (13, 1550587), (17, 1185743), (197, 102323), (221, 91211), (463, 43537), (2561, 7871), (3349, 6019)]