20454068

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 36996960

約数和(自身を除く): 16542892

約数列:

[1, 2, 4, 43, 86, 109, 172, 218, 436, 1091, 2182, 4364, 4687, 9374, 18748, 46913, 93826, 118919, 187652, 237838, 475676, 5113517, 10227034, 20454068]

約数ペア:

[(1, 20454068), (2, 10227034), (4, 5113517), (43, 475676), (86, 237838), (109, 187652), (172, 118919), (218, 93826), (436, 46913), (1091, 18748), (2182, 9374), (4364, 4687)]