20292255

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1811}}^1$

素因数の和:1908

約数の個数: 32

約数和(自身を含む): 36529920

約数和(自身を除く): 16237665

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1811, 2241, 3735, 5433, 9055, 11205, 16299, 27165, 48897, 81495, 150313, 244485, 450939, 751565, 1352817, 2254695, 4058451, 6764085, 20292255]

約数ペア:

[(1, 20292255), (3, 6764085), (5, 4058451), (9, 2254695), (15, 1352817), (27, 751565), (45, 450939), (83, 244485), (135, 150313), (249, 81495), (415, 48897), (747, 27165), (1245, 16299), (1811, 11205), (2241, 9055), (3735, 5433)]