20184945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 35748864

約数和(自身を除く): 15563919

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 1723, 2343, 3905, 5169, 8615, 11715, 18953, 25845, 56859, 94765, 122333, 284295, 366999, 611665, 1345663, 1834995, 4036989, 6728315, 20184945]

約数ペア:

[(1, 20184945), (3, 6728315), (5, 4036989), (11, 1834995), (15, 1345663), (33, 611665), (55, 366999), (71, 284295), (165, 122333), (213, 94765), (355, 56859), (781, 25845), (1065, 18953), (1723, 11715), (2343, 8615), (3905, 5169)]