20900376

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:646

約数の個数: 128

約数和(自身を含む): 69350400

約数和(自身を除く): 48450024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 84, 92, 108, 126, 138, 161, 168, 184, 189, 207, 216, 252, 276, 322, 378, 414, 483, 504, 552, 601, 621, 644, 756, 828, 966, 1202, 1242, 1288, 1449, 1512, 1656, 1803, 1932, 2404, 2484, 2898, 3606, 3864, 4207, 4347, 4808, 4968, 5409, 5796, 7212, 8414, 8694, 10818, 11592, 12621, 13823, 14424, 16227, 16828, 17388, 21636, 25242, 27646, 32454, 33656, 34776, 37863, 41469, 43272, 50484, 55292, 64908, 75726, 82938, 96761, 100968, 110584, 113589, 124407, 129816, 151452, 165876, 193522, 227178, 248814, 290283, 302904, 331752, 373221, 387044, 454356, 497628, 580566, 746442, 774088, 870849, 908712, 995256, 1161132, 1492884, 1741698, 2322264, 2612547, 2985768, 3483396, 5225094, 6966792, 10450188, 20900376]

約数ペア:

[(1, 20900376), (2, 10450188), (3, 6966792), (4, 5225094), (6, 3483396), (7, 2985768), (8, 2612547), (9, 2322264), (12, 1741698), (14, 1492884), (18, 1161132), (21, 995256), (23, 908712), (24, 870849), (27, 774088), (28, 746442), (36, 580566), (42, 497628), (46, 454356), (54, 387044), (56, 373221), (63, 331752), (69, 302904), (72, 290283), (84, 248814), (92, 227178), (108, 193522), (126, 165876), (138, 151452), (161, 129816), (168, 124407), (184, 113589), (189, 110584), (207, 100968), (216, 96761), (252, 82938), (276, 75726), (322, 64908), (378, 55292), (414, 50484), (483, 43272), (504, 41469), (552, 37863), (601, 34776), (621, 33656), (644, 32454), (756, 27646), (828, 25242), (966, 21636), (1202, 17388), (1242, 16828), (1288, 16227), (1449, 14424), (1512, 13823), (1656, 12621), (1803, 11592), (1932, 10818), (2404, 8694), (2484, 8414), (2898, 7212), (3606, 5796), (3864, 5409), (4207, 4968), (4347, 4808)]