20417514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27966486

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 599, 741, 874, 897, 1198, 1311, 1482, 1794, 1797, 2622, 3594, 5681, 7787, 11362, 11381, 13777, 15574, 17043, 22762, 23361, 27554, 34086, 34143, 41331, 46722, 68286, 82662, 147953, 179101, 261763, 295906, 358202, 443859, 523526, 537303, 785289, 887718, 1074606, 1570578, 3402919, 6805838, 10208757, 20417514]

約数ペア:

[(1, 20417514), (2, 10208757), (3, 6805838), (6, 3402919), (13, 1570578), (19, 1074606), (23, 887718), (26, 785289), (38, 537303), (39, 523526), (46, 443859), (57, 358202), (69, 295906), (78, 261763), (114, 179101), (138, 147953), (247, 82662), (299, 68286), (437, 46722), (494, 41331), (598, 34143), (599, 34086), (741, 27554), (874, 23361), (897, 22762), (1198, 17043), (1311, 15574), (1482, 13777), (1794, 11381), (1797, 11362), (2622, 7787), (3594, 5681)]