20543484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 35904516

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 156, 174, 228, 239, 247, 348, 377, 478, 494, 551, 717, 741, 754, 956, 988, 1102, 1131, 1434, 1482, 1508, 1653, 2204, 2262, 2868, 2964, 3107, 3306, 4524, 4541, 6214, 6612, 6931, 7163, 9082, 9321, 12428, 13623, 13862, 14326, 18164, 18642, 20793, 21489, 27246, 27724, 28652, 37284, 41586, 42978, 54492, 59033, 83172, 85956, 90103, 118066, 131689, 177099, 180206, 236132, 263378, 270309, 354198, 360412, 395067, 526756, 540618, 708396, 790134, 1081236, 1580268, 1711957, 3423914, 5135871, 6847828, 10271742, 20543484]

約数ペア:

[(1, 20543484), (2, 10271742), (3, 6847828), (4, 5135871), (6, 3423914), (12, 1711957), (13, 1580268), (19, 1081236), (26, 790134), (29, 708396), (38, 540618), (39, 526756), (52, 395067), (57, 360412), (58, 354198), (76, 270309), (78, 263378), (87, 236132), (114, 180206), (116, 177099), (156, 131689), (174, 118066), (228, 90103), (239, 85956), (247, 83172), (348, 59033), (377, 54492), (478, 42978), (494, 41586), (551, 37284), (717, 28652), (741, 27724), (754, 27246), (956, 21489), (988, 20793), (1102, 18642), (1131, 18164), (1434, 14326), (1482, 13862), (1508, 13623), (1653, 12428), (2204, 9321), (2262, 9082), (2868, 7163), (2964, 6931), (3107, 6612), (3306, 6214), (4524, 4541)]