20690254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7879}}^1$

素因数の和:7995

約数の個数: 16

約数和(自身を含む): 33757920

約数和(自身を除く): 13067666

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7879, 15758, 102427, 204854, 795779, 1591558, 10345127, 20690254]

約数ペア:

[(1, 20690254), (2, 10345127), (13, 1591558), (26, 795779), (101, 204854), (202, 102427), (1313, 15758), (2626, 7879)]