20315512

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1823}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 23460488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1823, 2786, 3646, 5572, 7292, 11144, 12761, 14584, 25522, 51044, 102088, 362777, 725554, 1451108, 2539439, 2902216, 5078878, 10157756, 20315512]

約数ペア:

[(1, 20315512), (2, 10157756), (4, 5078878), (7, 2902216), (8, 2539439), (14, 1451108), (28, 725554), (56, 362777), (199, 102088), (398, 51044), (796, 25522), (1393, 14584), (1592, 12761), (1823, 11144), (2786, 7292), (3646, 5572)]