20006504

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 45792000

約数和(自身を除く): 25785496

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 317, 322, 343, 392, 634, 644, 686, 1127, 1268, 1288, 1372, 2219, 2254, 2536, 2744, 4438, 4508, 7291, 7889, 8876, 9016, 14582, 15533, 15778, 17752, 29164, 31066, 31556, 51037, 58328, 62132, 63112, 102074, 108731, 124264, 204148, 217462, 357259, 408296, 434924, 714518, 869848, 1429036, 2500813, 2858072, 5001626, 10003252, 20006504]

約数ペア:

[(1, 20006504), (2, 10003252), (4, 5001626), (7, 2858072), (8, 2500813), (14, 1429036), (23, 869848), (28, 714518), (46, 434924), (49, 408296), (56, 357259), (92, 217462), (98, 204148), (161, 124264), (184, 108731), (196, 102074), (317, 63112), (322, 62132), (343, 58328), (392, 51037), (634, 31556), (644, 31066), (686, 29164), (1127, 17752), (1268, 15778), (1288, 15533), (1372, 14582), (2219, 9016), (2254, 8876), (2536, 7889), (2744, 7291), (4438, 4508)]