20564208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 120

約数和(自身を含む): 68709888

約数和(自身を除く): 48145680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 887, 966, 1008, 1104, 1288, 1449, 1656, 1774, 1932, 2576, 2661, 2898, 3312, 3548, 3864, 5322, 5796, 6209, 7096, 7728, 7983, 10644, 11592, 12418, 14192, 15966, 18627, 20401, 21288, 23184, 24836, 31932, 37254, 40802, 42576, 49672, 55881, 61203, 63864, 74508, 81604, 99344, 111762, 122406, 127728, 142807, 149016, 163208, 183609, 223524, 244812, 285614, 298032, 326416, 367218, 428421, 447048, 489624, 571228, 734436, 856842, 894096, 979248, 1142456, 1285263, 1468872, 1713684, 2284912, 2570526, 2937744, 3427368, 5141052, 6854736, 10282104, 20564208]

約数ペア:

[(1, 20564208), (2, 10282104), (3, 6854736), (4, 5141052), (6, 3427368), (7, 2937744), (8, 2570526), (9, 2284912), (12, 1713684), (14, 1468872), (16, 1285263), (18, 1142456), (21, 979248), (23, 894096), (24, 856842), (28, 734436), (36, 571228), (42, 489624), (46, 447048), (48, 428421), (56, 367218), (63, 326416), (69, 298032), (72, 285614), (84, 244812), (92, 223524), (112, 183609), (126, 163208), (138, 149016), (144, 142807), (161, 127728), (168, 122406), (184, 111762), (207, 99344), (252, 81604), (276, 74508), (322, 63864), (336, 61203), (368, 55881), (414, 49672), (483, 42576), (504, 40802), (552, 37254), (644, 31932), (828, 24836), (887, 23184), (966, 21288), (1008, 20401), (1104, 18627), (1288, 15966), (1449, 14192), (1656, 12418), (1774, 11592), (1932, 10644), (2576, 7983), (2661, 7728), (2898, 7096), (3312, 6209), (3548, 5796), (3864, 5322)]