20519343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 32318832

約数和(自身を除く): 11799489

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2113, 3237, 6339, 9711, 19017, 27469, 82407, 175379, 247221, 526137, 1578411, 2279927, 6839781, 20519343]

約数ペア:

[(1, 20519343), (3, 6839781), (9, 2279927), (13, 1578411), (39, 526137), (83, 247221), (117, 175379), (249, 82407), (747, 27469), (1079, 19017), (2113, 9711), (3237, 6339)]