20244680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8369

約数の個数: 32

約数和(自身を含む): 46302840

約数和(自身を除く): 26058160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 8297, 16594, 33188, 41485, 66376, 82970, 165940, 331880, 506117, 1012234, 2024468, 2530585, 4048936, 5061170, 10122340, 20244680]

約数ペア:

[(1, 20244680), (2, 10122340), (4, 5061170), (5, 4048936), (8, 2530585), (10, 2024468), (20, 1012234), (40, 506117), (61, 331880), (122, 165940), (244, 82970), (305, 66376), (488, 41485), (610, 33188), (1220, 16594), (2440, 8297)]