20178894

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{13399}}^1$

素因数の和:13655

約数の個数: 16

約数和(自身を含む): 40521600

約数和(自身を除く): 20342706

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 13399, 26798, 40197, 80394, 3363149, 6726298, 10089447, 20178894]

約数ペア:

[(1, 20178894), (2, 10089447), (3, 6726298), (6, 3363149), (251, 80394), (502, 40197), (753, 26798), (1506, 13399)]