20412735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3263

約数の個数: 32

約数和(自身を含む): 37949952

約数和(自身を除く): 17537217

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3187, 6405, 9561, 15935, 22309, 47805, 66927, 111545, 194407, 334635, 583221, 972035, 1360849, 2916105, 4082547, 6804245, 20412735]

約数ペア:

[(1, 20412735), (3, 6804245), (5, 4082547), (7, 2916105), (15, 1360849), (21, 972035), (35, 583221), (61, 334635), (105, 194407), (183, 111545), (305, 66927), (427, 47805), (915, 22309), (1281, 15935), (2135, 9561), (3187, 6405)]