20817590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48413}}^1$

素因数の和:48463

約数の個数: 16

約数和(自身を含む): 38343888

約数和(自身を除く): 17526298

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48413, 96826, 242065, 484130, 2081759, 4163518, 10408795, 20817590]

約数ペア:

[(1, 20817590), (2, 10408795), (5, 4163518), (10, 2081759), (43, 484130), (86, 242065), (215, 96826), (430, 48413)]