20079400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9127}}^1$

素因数の和:9154

約数の個数: 48

約数和(自身を含む): 50934240

約数和(自身を除く): 30854840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9127, 18254, 36508, 45635, 73016, 91270, 100397, 182540, 200794, 228175, 365080, 401588, 456350, 501985, 803176, 912700, 1003970, 1825400, 2007940, 2509925, 4015880, 5019850, 10039700, 20079400]

約数ペア:

[(1, 20079400), (2, 10039700), (4, 5019850), (5, 4015880), (8, 2509925), (10, 2007940), (11, 1825400), (20, 1003970), (22, 912700), (25, 803176), (40, 501985), (44, 456350), (50, 401588), (55, 365080), (88, 228175), (100, 200794), (110, 182540), (200, 100397), (220, 91270), (275, 73016), (440, 45635), (550, 36508), (1100, 18254), (2200, 9127)]