20285558783

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{7331}}^1$

素因数の和:7727

約数の個数: 32

約数和(自身を含む): 24621442560

約数和(自身を除く): 4335883777

約数列:

[1, 7, 29, 43, 203, 301, 317, 1247, 2219, 7331, 8729, 9193, 13631, 51317, 64351, 95417, 212599, 315233, 395299, 1488193, 2206631, 2323927, 2767093, 9141757, 16267489, 63992299, 67393883, 99928861, 471757181, 699502027, 2897936969, 20285558783]

約数ペア:

[(1, 20285558783), (7, 2897936969), (29, 699502027), (43, 471757181), (203, 99928861), (301, 67393883), (317, 63992299), (1247, 16267489), (2219, 9141757), (7331, 2767093), (8729, 2323927), (9193, 2206631), (13631, 1488193), (51317, 395299), (64351, 315233), (95417, 212599)]