20712119

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 22344000

約数和(自身を除く): 1631881

約数列:

[1, 29, 37, 97, 199, 1073, 2813, 3589, 5771, 7363, 19303, 104081, 213527, 559787, 714211, 20712119]

約数ペア:

[(1, 20712119), (29, 714211), (37, 559787), (97, 213527), (199, 104081), (1073, 19303), (2813, 7363), (3589, 5771)]