20685838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14149}}^1$

素因数の和:14211

約数の個数: 16

約数和(自身を含む): 33620400

約数和(自身を除く): 12934562

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14149, 28298, 240533, 481066, 608407, 1216814, 10342919, 20685838]

約数ペア:

[(1, 20685838), (2, 10342919), (17, 1216814), (34, 608407), (43, 481066), (86, 240533), (731, 28298), (1462, 14149)]