20630862

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 120

約数和(自身を含む): 56610576

約数和(自身を除く): 35979714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 49, 54, 63, 69, 81, 98, 113, 126, 138, 147, 161, 162, 189, 207, 226, 294, 322, 339, 378, 414, 441, 483, 567, 621, 678, 791, 882, 966, 1017, 1127, 1134, 1242, 1323, 1449, 1582, 1863, 2034, 2254, 2373, 2599, 2646, 2898, 3051, 3381, 3726, 3969, 4347, 4746, 5198, 5537, 6102, 6762, 7119, 7797, 7938, 8694, 9153, 10143, 11074, 13041, 14238, 15594, 16611, 18193, 18306, 20286, 21357, 23391, 26082, 30429, 33222, 36386, 42714, 46782, 49833, 54579, 60858, 64071, 70173, 91287, 99666, 109158, 127351, 128142, 140346, 149499, 163737, 182574, 210519, 254702, 298998, 327474, 382053, 421038, 448497, 491211, 764106, 896994, 982422, 1146159, 1473633, 2292318, 2947266, 3438477, 6876954, 10315431, 20630862]

約数ペア:

[(1, 20630862), (2, 10315431), (3, 6876954), (6, 3438477), (7, 2947266), (9, 2292318), (14, 1473633), (18, 1146159), (21, 982422), (23, 896994), (27, 764106), (42, 491211), (46, 448497), (49, 421038), (54, 382053), (63, 327474), (69, 298998), (81, 254702), (98, 210519), (113, 182574), (126, 163737), (138, 149499), (147, 140346), (161, 128142), (162, 127351), (189, 109158), (207, 99666), (226, 91287), (294, 70173), (322, 64071), (339, 60858), (378, 54579), (414, 49833), (441, 46782), (483, 42714), (567, 36386), (621, 33222), (678, 30429), (791, 26082), (882, 23391), (966, 21357), (1017, 20286), (1127, 18306), (1134, 18193), (1242, 16611), (1323, 15594), (1449, 14238), (1582, 13041), (1863, 11074), (2034, 10143), (2254, 9153), (2373, 8694), (2599, 7938), (2646, 7797), (2898, 7119), (3051, 6762), (3381, 6102), (3726, 5537), (3969, 5198), (4347, 4746)]