2010018020

素因数分解:

$2^2\times 5^1\times {\mathrm{4271}}^1\times {\mathrm{23531}}^1$

素因数の和:27811

約数の個数: 24

約数和(自身を含む): 4222205568

約数和(自身を除く): 2212187548

約数列:

[1, 2, 4, 5, 10, 20, 4271, 8542, 17084, 21355, 23531, 42710, 47062, 85420, 94124, 117655, 235310, 470620, 100500901, 201001802, 402003604, 502504505, 1005009010, 2010018020]

約数ペア:

[(1, 2010018020), (2, 1005009010), (4, 502504505), (5, 402003604), (10, 201001802), (20, 100500901), (4271, 470620), (8542, 235310), (17084, 117655), (21355, 94124), (23531, 85420), (42710, 47062)]