20152013

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2756

約数の個数: 16

約数和(自身を含む): 24478080

約数和(自身を除く): 4326067

約数列:

[1, 7, 29, 37, 203, 259, 1073, 2683, 7511, 18781, 77807, 99271, 544649, 694897, 2878859, 20152013]

約数ペア:

[(1, 20152013), (7, 2878859), (29, 694897), (37, 544649), (203, 99271), (259, 77807), (1073, 18781), (2683, 7511)]