20284140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9137}}^1$

素因数の和:9186

約数の個数: 48

約数和(自身を含む): 58336992

約数和(自身を除く): 38052852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9137, 18274, 27411, 36548, 45685, 54822, 91370, 109644, 137055, 182740, 274110, 338069, 548220, 676138, 1014207, 1352276, 1690345, 2028414, 3380690, 4056828, 5071035, 6761380, 10142070, 20284140]

約数ペア:

[(1, 20284140), (2, 10142070), (3, 6761380), (4, 5071035), (5, 4056828), (6, 3380690), (10, 2028414), (12, 1690345), (15, 1352276), (20, 1014207), (30, 676138), (37, 548220), (60, 338069), (74, 274110), (111, 182740), (148, 137055), (185, 109644), (222, 91370), (370, 54822), (444, 45685), (555, 36548), (740, 27411), (1110, 18274), (2220, 9137)]