20255536

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{811}}^1$

素因数の和:1049

約数の個数: 40

約数和(自身を含む): 45108224

約数和(自身を除く): 24852688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 811, 892, 1561, 1622, 1784, 3122, 3244, 3568, 5677, 6244, 6488, 11354, 12488, 12976, 22708, 24976, 45416, 90832, 180853, 361706, 723412, 1265971, 1446824, 2531942, 2893648, 5063884, 10127768, 20255536]

約数ペア:

[(1, 20255536), (2, 10127768), (4, 5063884), (7, 2893648), (8, 2531942), (14, 1446824), (16, 1265971), (28, 723412), (56, 361706), (112, 180853), (223, 90832), (446, 45416), (811, 24976), (892, 22708), (1561, 12976), (1622, 12488), (1784, 11354), (3122, 6488), (3244, 6244), (3568, 5677)]