20039877

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 35538048

約数和(自身を除く): 15498171

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 677, 759, 897, 1287, 2031, 2277, 2691, 3289, 6093, 7447, 8801, 9867, 15571, 22341, 26403, 29601, 46713, 67023, 79209, 96811, 140139, 171281, 202423, 290433, 513843, 607269, 871299, 1541529, 1821807, 2226653, 6679959, 20039877]

約数ペア:

[(1, 20039877), (3, 6679959), (9, 2226653), (11, 1821807), (13, 1541529), (23, 871299), (33, 607269), (39, 513843), (69, 290433), (99, 202423), (117, 171281), (143, 140139), (207, 96811), (253, 79209), (299, 67023), (429, 46713), (677, 29601), (759, 26403), (897, 22341), (1287, 15571), (2031, 9867), (2277, 8801), (2691, 7447), (3289, 6093)]