20199358

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 11060162

約数列:

[1, 2, 59, 71, 118, 142, 2411, 4189, 4822, 8378, 142249, 171181, 284498, 342362, 10099679, 20199358]

約数ペア:

[(1, 20199358), (2, 10099679), (59, 342362), (71, 284498), (118, 171181), (142, 142249), (2411, 8378), (4189, 4822)]