20704306

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7507}}^1$

素因数の和:7713

約数の個数: 16

約数和(自身を含む): 35678016

約数和(自身を除く): 14973710

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7507, 15014, 52549, 105098, 1478879, 2957758, 10352153, 20704306]

約数ペア:

[(1, 20704306), (2, 10352153), (7, 2957758), (14, 1478879), (197, 105098), (394, 52549), (1379, 15014), (2758, 7507)]