20280492

素因数分解:

$2^2\times 3^2\times {\mathrm{613}}^1\times {\mathrm{919}}^1$

素因数の和:1542

約数の個数: 36

約数和(自身を含む): 51404080

約数和(自身を除く): 31123588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 613, 919, 1226, 1838, 1839, 2452, 2757, 3676, 3678, 5514, 5517, 7356, 8271, 11028, 11034, 16542, 22068, 33084, 563347, 1126694, 1690041, 2253388, 3380082, 5070123, 6760164, 10140246, 20280492]

約数ペア:

[(1, 20280492), (2, 10140246), (3, 6760164), (4, 5070123), (6, 3380082), (9, 2253388), (12, 1690041), (18, 1126694), (36, 563347), (613, 33084), (919, 22068), (1226, 16542), (1838, 11034), (1839, 11028), (2452, 8271), (2757, 7356), (3676, 5517), (3678, 5514)]