20846917

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2141}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 5062715

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2141, 9737, 14987, 27833, 194831, 229087, 1603609, 2978131, 20846917]

約数ペア:

[(1, 20846917), (7, 2978131), (13, 1603609), (91, 229087), (107, 194831), (749, 27833), (1391, 14987), (2141, 9737)]