20305838

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3617}}^1$

素因数の和:4027

約数の個数: 16

約数和(自身を含む): 34906464

約数和(自身を除く): 14600626

約数列:

[1, 2, 7, 14, 401, 802, 2807, 3617, 5614, 7234, 25319, 50638, 1450417, 2900834, 10152919, 20305838]

約数ペア:

[(1, 20305838), (2, 10152919), (7, 2900834), (14, 1450417), (401, 50638), (802, 25319), (2807, 7234), (3617, 5614)]