20745912321

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{3733}}^1\times {\mathrm{5563}}^1$

素因数の和:9342

約数の個数: 32

約数和(自身を含む): 31579483520

約数和(自身を除く): 10833571199

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 3733, 5563, 11199, 16689, 33597, 50067, 100791, 138121, 150201, 205831, 414363, 617493, 1243089, 1852479, 3729267, 5557437, 20766679, 62300037, 186900111, 560700333, 768367123, 2305101369, 6915304107, 20745912321]

約数ペア:

[(1, 20745912321), (3, 6915304107), (9, 2305101369), (27, 768367123), (37, 560700333), (111, 186900111), (333, 62300037), (999, 20766679), (3733, 5557437), (5563, 3729267), (11199, 1852479), (16689, 1243089), (33597, 617493), (50067, 414363), (100791, 205831), (138121, 150201)]