20690202

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 28338918

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 607, 741, 874, 897, 1214, 1311, 1482, 1794, 1821, 2622, 3642, 5681, 7891, 11362, 11533, 13961, 15782, 17043, 23066, 23673, 27922, 34086, 34599, 41883, 47346, 69198, 83766, 149929, 181493, 265259, 299858, 362986, 449787, 530518, 544479, 795777, 899574, 1088958, 1591554, 3448367, 6896734, 10345101, 20690202]

約数ペア:

[(1, 20690202), (2, 10345101), (3, 6896734), (6, 3448367), (13, 1591554), (19, 1088958), (23, 899574), (26, 795777), (38, 544479), (39, 530518), (46, 449787), (57, 362986), (69, 299858), (78, 265259), (114, 181493), (138, 149929), (247, 83766), (299, 69198), (437, 47346), (494, 41883), (598, 34599), (607, 34086), (741, 27922), (874, 23673), (897, 23066), (1214, 17043), (1311, 15782), (1482, 13961), (1794, 11533), (1821, 11362), (2622, 7891), (3642, 5681)]