20213734580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77745133}}^1$

素因数の和:77745155

約数の個数: 24

約数和(自身を含む): 45714138792

約数和(自身を除く): 25500404212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77745133, 155490266, 310980532, 388725665, 777451330, 1010686729, 1554902660, 2021373458, 4042746916, 5053433645, 10106867290, 20213734580]

約数ペア:

[(1, 20213734580), (2, 10106867290), (4, 5053433645), (5, 4042746916), (10, 2021373458), (13, 1554902660), (20, 1010686729), (26, 777451330), (52, 388725665), (65, 310980532), (130, 155490266), (260, 77745133)]