20369616

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 34626864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 71, 86, 129, 139, 142, 172, 213, 258, 278, 284, 344, 417, 426, 516, 556, 568, 688, 834, 852, 1032, 1112, 1136, 1668, 1704, 2064, 2224, 3053, 3336, 3408, 5977, 6106, 6672, 9159, 9869, 11954, 12212, 17931, 18318, 19738, 23908, 24424, 29607, 35862, 36636, 39476, 47816, 48848, 59214, 71724, 73272, 78952, 95632, 118428, 143448, 146544, 157904, 236856, 286896, 424367, 473712, 848734, 1273101, 1697468, 2546202, 3394936, 5092404, 6789872, 10184808, 20369616]

約数ペア:

[(1, 20369616), (2, 10184808), (3, 6789872), (4, 5092404), (6, 3394936), (8, 2546202), (12, 1697468), (16, 1273101), (24, 848734), (43, 473712), (48, 424367), (71, 286896), (86, 236856), (129, 157904), (139, 146544), (142, 143448), (172, 118428), (213, 95632), (258, 78952), (278, 73272), (284, 71724), (344, 59214), (417, 48848), (426, 47816), (516, 39476), (556, 36636), (568, 35862), (688, 29607), (834, 24424), (852, 23908), (1032, 19738), (1112, 18318), (1136, 17931), (1668, 12212), (1704, 11954), (2064, 9869), (2224, 9159), (3053, 6672), (3336, 6106), (3408, 5977)]