20291224870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5915809}}^1$

素因数の和:5915837

約数の個数: 32

約数和(自身を含む): 42593832000

約数和(自身を除く): 22302607130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5915809, 11831618, 29579045, 41410663, 59158090, 82821326, 207053315, 289874641, 414106630, 579749282, 1449373205, 2029122487, 2898746410, 4058244974, 10145612435, 20291224870]

約数ペア:

[(1, 20291224870), (2, 10145612435), (5, 4058244974), (7, 2898746410), (10, 2029122487), (14, 1449373205), (35, 579749282), (49, 414106630), (70, 289874641), (98, 207053315), (245, 82821326), (343, 59158090), (490, 41410663), (686, 29579045), (1715, 11831618), (3430, 5915809)]