20187349

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2287}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 25113088

約数和(自身を除く): 4925739

約数列:

[1, 7, 13, 91, 97, 679, 1261, 2287, 8827, 16009, 29731, 208117, 221839, 1552873, 2883907, 20187349]

約数ペア:

[(1, 20187349), (7, 2883907), (13, 1552873), (91, 221839), (97, 208117), (679, 29731), (1261, 16009), (2287, 8827)]