20372583

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 35392896

約数和(自身を除く): 15020313

約数列:

[1, 3, 7, 11, 21, 33, 43, 49, 77, 129, 147, 231, 293, 301, 473, 539, 879, 903, 1419, 1617, 2051, 2107, 3223, 3311, 6153, 6321, 9669, 9933, 12599, 14357, 22561, 23177, 37797, 43071, 67683, 69531, 88193, 138589, 157927, 264579, 415767, 473781, 617351, 970123, 1852053, 2910369, 6790861, 20372583]

約数ペア:

[(1, 20372583), (3, 6790861), (7, 2910369), (11, 1852053), (21, 970123), (33, 617351), (43, 473781), (49, 415767), (77, 264579), (129, 157927), (147, 138589), (231, 88193), (293, 69531), (301, 67683), (473, 43071), (539, 37797), (879, 23177), (903, 22561), (1419, 14357), (1617, 12599), (2051, 9933), (2107, 9669), (3223, 6321), (3311, 6153)]