20009304

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 65847600

約数和(自身を除く): 45838296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 37, 42, 56, 58, 63, 72, 74, 84, 87, 111, 116, 126, 148, 168, 174, 203, 222, 232, 252, 259, 261, 296, 333, 348, 406, 444, 504, 518, 522, 609, 666, 696, 777, 812, 888, 1036, 1044, 1073, 1218, 1332, 1369, 1554, 1624, 1827, 2072, 2088, 2146, 2331, 2436, 2664, 2738, 3108, 3219, 3654, 4107, 4292, 4662, 4872, 5476, 6216, 6438, 7308, 7511, 8214, 8584, 9324, 9583, 9657, 10952, 12321, 12876, 14616, 15022, 16428, 18648, 19166, 19314, 22533, 24642, 25752, 28749, 30044, 32856, 38332, 38628, 39701, 45066, 49284, 57498, 60088, 67599, 76664, 77256, 79402, 86247, 90132, 98568, 114996, 119103, 135198, 158804, 172494, 180264, 229992, 238206, 270396, 277907, 317608, 344988, 357309, 476412, 540792, 555814, 689976, 714618, 833721, 952824, 1111628, 1429236, 1667442, 2223256, 2501163, 2858472, 3334884, 5002326, 6669768, 10004652, 20009304]

約数ペア:

[(1, 20009304), (2, 10004652), (3, 6669768), (4, 5002326), (6, 3334884), (7, 2858472), (8, 2501163), (9, 2223256), (12, 1667442), (14, 1429236), (18, 1111628), (21, 952824), (24, 833721), (28, 714618), (29, 689976), (36, 555814), (37, 540792), (42, 476412), (56, 357309), (58, 344988), (63, 317608), (72, 277907), (74, 270396), (84, 238206), (87, 229992), (111, 180264), (116, 172494), (126, 158804), (148, 135198), (168, 119103), (174, 114996), (203, 98568), (222, 90132), (232, 86247), (252, 79402), (259, 77256), (261, 76664), (296, 67599), (333, 60088), (348, 57498), (406, 49284), (444, 45066), (504, 39701), (518, 38628), (522, 38332), (609, 32856), (666, 30044), (696, 28749), (777, 25752), (812, 24642), (888, 22533), (1036, 19314), (1044, 19166), (1073, 18648), (1218, 16428), (1332, 15022), (1369, 14616), (1554, 12876), (1624, 12321), (1827, 10952), (2072, 9657), (2088, 9583), (2146, 9324), (2331, 8584), (2436, 8214), (2664, 7511), (2738, 7308), (3108, 6438), (3219, 6216), (3654, 5476), (4107, 4872), (4292, 4662)]