20394486

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1258

約数の個数: 72

約数和(自身を含む): 54152280

約数和(自身を除く): 33757794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1217, 1862, 2394, 2434, 2793, 3651, 5586, 7302, 8379, 8519, 10953, 16758, 17038, 21906, 23123, 25557, 46246, 51114, 59633, 69369, 76671, 119266, 138738, 153342, 161861, 178899, 208107, 323722, 357798, 416214, 485583, 536697, 971166, 1073394, 1133027, 1456749, 2266054, 2913498, 3399081, 6798162, 10197243, 20394486]

約数ペア:

[(1, 20394486), (2, 10197243), (3, 6798162), (6, 3399081), (7, 2913498), (9, 2266054), (14, 1456749), (18, 1133027), (19, 1073394), (21, 971166), (38, 536697), (42, 485583), (49, 416214), (57, 357798), (63, 323722), (98, 208107), (114, 178899), (126, 161861), (133, 153342), (147, 138738), (171, 119266), (266, 76671), (294, 69369), (342, 59633), (399, 51114), (441, 46246), (798, 25557), (882, 23123), (931, 21906), (1197, 17038), (1217, 16758), (1862, 10953), (2394, 8519), (2434, 8379), (2793, 7302), (3651, 5586)]