20272245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 40352256

約数和(自身を除く): 20080011

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 277, 287, 357, 595, 615, 697, 831, 861, 1385, 1435, 1785, 1939, 2091, 3485, 4155, 4305, 4709, 4879, 5817, 9695, 10455, 11357, 14127, 14637, 23545, 24395, 29085, 32963, 34071, 56785, 70635, 73185, 79499, 98889, 164815, 170355, 193069, 238497, 397495, 494445, 579207, 965345, 1192485, 1351483, 2896035, 4054449, 6757415, 20272245]

約数ペア:

[(1, 20272245), (3, 6757415), (5, 4054449), (7, 2896035), (15, 1351483), (17, 1192485), (21, 965345), (35, 579207), (41, 494445), (51, 397495), (85, 238497), (105, 193069), (119, 170355), (123, 164815), (205, 98889), (255, 79499), (277, 73185), (287, 70635), (357, 56785), (595, 34071), (615, 32963), (697, 29085), (831, 24395), (861, 23545), (1385, 14637), (1435, 14127), (1785, 11357), (1939, 10455), (2091, 9695), (3485, 5817), (4155, 4879), (4305, 4709)]