20977606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6353}}^1$

素因数の和:6495

約数の個数: 16

約数和(自身を含む): 34159104

約数和(自身を除く): 13181498

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6353, 12706, 82589, 165178, 806831, 1613662, 10488803, 20977606]

約数ペア:

[(1, 20977606), (2, 10488803), (13, 1613662), (26, 806831), (127, 165178), (254, 82589), (1651, 12706), (3302, 6353)]