20420614

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 31477248

約数和(自身を除く): 11056634

約数列:

[1, 2, 43, 86, 367, 647, 734, 1294, 15781, 27821, 31562, 55642, 237449, 474898, 10210307, 20420614]

約数ペア:

[(1, 20420614), (2, 10210307), (43, 474898), (86, 237449), (367, 55642), (647, 31562), (734, 27821), (1294, 15781)]