20198993318

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23652217}}^1$

素因数の和:23652287

約数の個数: 16

約数和(自身を含む): 35194500384

約数和(自身を除く): 14995507066

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23652217, 47304434, 165565519, 331131038, 1442785237, 2885570474, 10099496659, 20198993318]

約数ペア:

[(1, 20198993318), (2, 10099496659), (7, 2885570474), (14, 1442785237), (61, 331131038), (122, 165565519), (427, 47304434), (854, 23652217)]