20517200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4663}}^1$

素因数の和:4692

約数の個数: 60

約数和(自身を含む): 53785248

約数和(自身を除く): 33268048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4663, 9326, 18652, 23315, 37304, 46630, 51293, 74608, 93260, 102586, 116575, 186520, 205172, 233150, 256465, 373040, 410344, 466300, 512930, 820688, 932600, 1025860, 1282325, 1865200, 2051720, 2564650, 4103440, 5129300, 10258600, 20517200]

約数ペア:

[(1, 20517200), (2, 10258600), (4, 5129300), (5, 4103440), (8, 2564650), (10, 2051720), (11, 1865200), (16, 1282325), (20, 1025860), (22, 932600), (25, 820688), (40, 512930), (44, 466300), (50, 410344), (55, 373040), (80, 256465), (88, 233150), (100, 205172), (110, 186520), (176, 116575), (200, 102586), (220, 93260), (275, 74608), (400, 51293), (440, 46630), (550, 37304), (880, 23315), (1100, 18652), (2200, 9326), (4400, 4663)]