20018056

素因数分解:

$2^3\times {\mathrm{1097}}^1\times {\mathrm{2281}}^1$

素因数の和:3384

約数の個数: 16

約数和(自身を含む): 37584540

約数和(自身を除く): 17566484

約数列:

[1, 2, 4, 8, 1097, 2194, 2281, 4388, 4562, 8776, 9124, 18248, 2502257, 5004514, 10009028, 20018056]

約数ペア:

[(1, 20018056), (2, 10009028), (4, 5004514), (8, 2502257), (1097, 18248), (2194, 9124), (2281, 8776), (4388, 4562)]