20920837

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 24440832

約数和(自身を除く): 3519995

約数列:

[1, 7, 101, 127, 233, 707, 889, 1631, 12827, 23533, 29591, 89789, 164731, 207137, 2988691, 20920837]

約数ペア:

[(1, 20920837), (7, 2988691), (101, 207137), (127, 164731), (233, 89789), (707, 29591), (889, 23533), (1631, 12827)]