20537488

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29851}}^1$

素因数の和:29902

約数の個数: 20

約数和(自身を含む): 40718128

約数和(自身を除く): 20180640

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29851, 59702, 119404, 238808, 477616, 1283593, 2567186, 5134372, 10268744, 20537488]

約数ペア:

[(1, 20537488), (2, 10268744), (4, 5134372), (8, 2567186), (16, 1283593), (43, 477616), (86, 238808), (172, 119404), (344, 59702), (688, 29851)]