20842213

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 24958080

約数和(自身を除く): 4115867

約数列:

[1, 7, 29, 83, 203, 581, 1237, 2407, 8659, 16849, 35873, 102671, 251111, 718697, 2977459, 20842213]

約数ペア:

[(1, 20842213), (7, 2977459), (29, 718697), (83, 251111), (203, 102671), (581, 35873), (1237, 16849), (2407, 8659)]