20082978

素因数分解:

$2^1\times 3^5\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 47711664

約数和(自身を除く): 27628686

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 43, 54, 62, 81, 86, 93, 129, 162, 186, 243, 258, 279, 387, 486, 558, 774, 837, 961, 1161, 1333, 1674, 1922, 2322, 2511, 2666, 2883, 3483, 3999, 5022, 5766, 6966, 7533, 7998, 8649, 10449, 11997, 15066, 17298, 20898, 23994, 25947, 35991, 41323, 51894, 71982, 77841, 82646, 107973, 123969, 155682, 215946, 233523, 247938, 323919, 371907, 467046, 647838, 743814, 1115721, 2231442, 3347163, 6694326, 10041489, 20082978]

約数ペア:

[(1, 20082978), (2, 10041489), (3, 6694326), (6, 3347163), (9, 2231442), (18, 1115721), (27, 743814), (31, 647838), (43, 467046), (54, 371907), (62, 323919), (81, 247938), (86, 233523), (93, 215946), (129, 155682), (162, 123969), (186, 107973), (243, 82646), (258, 77841), (279, 71982), (387, 51894), (486, 41323), (558, 35991), (774, 25947), (837, 23994), (961, 20898), (1161, 17298), (1333, 15066), (1674, 11997), (1922, 10449), (2322, 8649), (2511, 7998), (2666, 7533), (2883, 6966), (3483, 5766), (3999, 5022)]