20464065

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5479}}^1$

素因数の和:5573

約数の個数: 24

約数和(自身を含む): 35904960

約数和(自身を除く): 15440895

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5479, 16437, 27395, 49311, 82185, 246555, 454757, 1364271, 2273785, 4092813, 6821355, 20464065]

約数ペア:

[(1, 20464065), (3, 6821355), (5, 4092813), (9, 2273785), (15, 1364271), (45, 454757), (83, 246555), (249, 82185), (415, 49311), (747, 27395), (1245, 16437), (3735, 5479)]