20144695905

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2851337}}^1$

素因数の和:2851505

約数の個数: 24

約数和(自身を含む): 35139889512

約数和(自身を除く): 14995193607

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 2851337, 8554011, 14256685, 25662033, 42770055, 128310165, 447659909, 1342979727, 2238299545, 4028939181, 6714898635, 20144695905]

約数ペア:

[(1, 20144695905), (3, 6714898635), (5, 4028939181), (9, 2238299545), (15, 1342979727), (45, 447659909), (157, 128310165), (471, 42770055), (785, 25662033), (1413, 14256685), (2355, 8554011), (7065, 2851337)]