20365047

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11890953

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 837, 839, 899, 2517, 2697, 7551, 8091, 22653, 24273, 24331, 26009, 72993, 78027, 218979, 234081, 656937, 702243, 754261, 2262783, 6788349, 20365047]

約数ペア:

[(1, 20365047), (3, 6788349), (9, 2262783), (27, 754261), (29, 702243), (31, 656937), (87, 234081), (93, 218979), (261, 78027), (279, 72993), (783, 26009), (837, 24331), (839, 24273), (899, 22653), (2517, 8091), (2697, 7551)]