20199089907

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{87509}}^1$

素因数の和:87704

約数の個数: 32

約数和(自身を含む): 30579494400

約数和(自身を除く): 10380404493

約数列:

[1, 3, 9, 27, 83, 103, 249, 309, 747, 927, 2241, 2781, 8549, 25647, 76941, 87509, 230823, 262527, 787581, 2362743, 7263247, 9013427, 21789741, 27040281, 65369223, 81120843, 196107669, 243362529, 748114441, 2244343323, 6733029969, 20199089907]

約数ペア:

[(1, 20199089907), (3, 6733029969), (9, 2244343323), (27, 748114441), (83, 243362529), (103, 196107669), (249, 81120843), (309, 65369223), (747, 27040281), (927, 21789741), (2241, 9013427), (2781, 7263247), (8549, 2362743), (25647, 787581), (76941, 262527), (87509, 230823)]