20810272

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1601

約数の個数: 48

約数和(自身を含む): 47621952

約数和(自身を除く): 26811680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1523, 1708, 1952, 3046, 3416, 6092, 6832, 10661, 12184, 13664, 21322, 24368, 42644, 48736, 85288, 92903, 170576, 185806, 341152, 371612, 650321, 743224, 1300642, 1486448, 2601284, 2972896, 5202568, 10405136, 20810272]

約数ペア:

[(1, 20810272), (2, 10405136), (4, 5202568), (7, 2972896), (8, 2601284), (14, 1486448), (16, 1300642), (28, 743224), (32, 650321), (56, 371612), (61, 341152), (112, 185806), (122, 170576), (224, 92903), (244, 85288), (427, 48736), (488, 42644), (854, 24368), (976, 21322), (1523, 13664), (1708, 12184), (1952, 10661), (3046, 6832), (3416, 6092)]