20589426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 55298880

約数和(自身を除く): 34709454

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 33, 38, 39, 57, 66, 78, 99, 114, 117, 143, 171, 198, 209, 234, 247, 286, 342, 418, 421, 429, 494, 627, 741, 842, 858, 1254, 1263, 1287, 1482, 1881, 2223, 2526, 2574, 2717, 3762, 3789, 4446, 4631, 5434, 5473, 7578, 7999, 8151, 9262, 10946, 13893, 15998, 16302, 16419, 23997, 24453, 27786, 32838, 41679, 47994, 48906, 49257, 60203, 71991, 83358, 87989, 98514, 103987, 120406, 143982, 175978, 180609, 207974, 263967, 311961, 361218, 527934, 541827, 623922, 791901, 935883, 1083654, 1143857, 1583802, 1871766, 2287714, 3431571, 6863142, 10294713, 20589426]

約数ペア:

[(1, 20589426), (2, 10294713), (3, 6863142), (6, 3431571), (9, 2287714), (11, 1871766), (13, 1583802), (18, 1143857), (19, 1083654), (22, 935883), (26, 791901), (33, 623922), (38, 541827), (39, 527934), (57, 361218), (66, 311961), (78, 263967), (99, 207974), (114, 180609), (117, 175978), (143, 143982), (171, 120406), (198, 103987), (209, 98514), (234, 87989), (247, 83358), (286, 71991), (342, 60203), (418, 49257), (421, 48906), (429, 47994), (494, 41679), (627, 32838), (741, 27786), (842, 24453), (858, 23997), (1254, 16419), (1263, 16302), (1287, 15998), (1482, 13893), (1881, 10946), (2223, 9262), (2526, 8151), (2574, 7999), (2717, 7578), (3762, 5473), (3789, 5434), (4446, 4631)]