20902288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1051}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 44613216

約数和(自身を除く): 23710928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1051, 1243, 1808, 2102, 2486, 4204, 4972, 8408, 9944, 11561, 16816, 19888, 23122, 46244, 92488, 118763, 184976, 237526, 475052, 950104, 1306393, 1900208, 2612786, 5225572, 10451144, 20902288]

約数ペア:

[(1, 20902288), (2, 10451144), (4, 5225572), (8, 2612786), (11, 1900208), (16, 1306393), (22, 950104), (44, 475052), (88, 237526), (113, 184976), (176, 118763), (226, 92488), (452, 46244), (904, 23122), (1051, 19888), (1243, 16816), (1808, 11561), (2102, 9944), (2486, 8408), (4204, 4972)]