20491725590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{7867}}^1$

素因数の和:8301

約数の個数: 64

約数和(自身を含む): 42636754944

約数和(自身を除く): 22145029354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 293, 586, 635, 889, 1270, 1465, 1778, 2051, 2930, 4102, 4445, 7867, 8890, 10255, 15734, 20510, 37211, 39335, 55069, 74422, 78670, 110138, 186055, 260477, 275345, 372110, 520954, 550690, 999109, 1302385, 1998218, 2305031, 2604770, 4610062, 4995545, 6993763, 9991090, 11525155, 13987526, 16135217, 23050310, 32270434, 34968815, 69937630, 80676085, 161352170, 292738937, 585477874, 1463694685, 2049172559, 2927389370, 4098345118, 10245862795, 20491725590]

約数ペア:

[(1, 20491725590), (2, 10245862795), (5, 4098345118), (7, 2927389370), (10, 2049172559), (14, 1463694685), (35, 585477874), (70, 292738937), (127, 161352170), (254, 80676085), (293, 69937630), (586, 34968815), (635, 32270434), (889, 23050310), (1270, 16135217), (1465, 13987526), (1778, 11525155), (2051, 9991090), (2930, 6993763), (4102, 4995545), (4445, 4610062), (7867, 2604770), (8890, 2305031), (10255, 1998218), (15734, 1302385), (20510, 999109), (37211, 550690), (39335, 520954), (55069, 372110), (74422, 275345), (78670, 260477), (110138, 186055)]