20049617

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4280623

約数列:

[1, 7, 19, 127, 133, 889, 1187, 2413, 8309, 16891, 22553, 150749, 157871, 1055243, 2864231, 20049617]

約数ペア:

[(1, 20049617), (7, 2864231), (19, 1055243), (127, 157871), (133, 150749), (889, 22553), (1187, 16891), (2413, 8309)]