20536160

素因数分解:

$2^5\times 5^1\times {\mathrm{128351}}^1$

素因数の和:128366

約数の個数: 24

約数和(自身を含む): 48517056

約数和(自身を除く): 27980896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 128351, 256702, 513404, 641755, 1026808, 1283510, 2053616, 2567020, 4107232, 5134040, 10268080, 20536160]

約数ペア:

[(1, 20536160), (2, 10268080), (4, 5134040), (5, 4107232), (8, 2567020), (10, 2053616), (16, 1283510), (20, 1026808), (32, 641755), (40, 513404), (80, 256702), (160, 128351)]