20147800905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9526147}}^1$

素因数の和:9526205

約数の個数: 24

約数和(自身を含む): 35665898112

約数和(自身を除く): 15518097207

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9526147, 28578441, 47630735, 85735323, 142892205, 428676615, 447728909, 1343186727, 2238644545, 4029560181, 6715933635, 20147800905]

約数ペア:

[(1, 20147800905), (3, 6715933635), (5, 4029560181), (9, 2238644545), (15, 1343186727), (45, 447728909), (47, 428676615), (141, 142892205), (235, 85735323), (423, 47630735), (705, 28578441), (2115, 9526147)]