20168181

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 32033664

約数和(自身を除く): 11865483

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1487, 1507, 4461, 4521, 13383, 13563, 16357, 49071, 147213, 203719, 611157, 1833471, 2240909, 6722727, 20168181]

約数ペア:

[(1, 20168181), (3, 6722727), (9, 2240909), (11, 1833471), (33, 611157), (99, 203719), (137, 147213), (411, 49071), (1233, 16357), (1487, 13563), (1507, 13383), (4461, 4521)]