20218191844

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{748711}}^1$

素因数の和:748915

約数の個数: 24

約数和(自身を含む): 36435320768

約数和(自身を除く): 16217128924

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 6751, 13502, 27004, 748711, 1497422, 2994844, 32194573, 64389146, 117547627, 128778292, 235095254, 470190508, 5054547961, 10109095922, 20218191844]

約数ペア:

[(1, 20218191844), (2, 10109095922), (4, 5054547961), (43, 470190508), (86, 235095254), (157, 128778292), (172, 117547627), (314, 64389146), (628, 32194573), (6751, 2994844), (13502, 1497422), (27004, 748711)]