20187376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4987}}^1$

素因数の和:5029

約数の個数: 40

約数和(自身を含む): 44532864

約数和(自身を除く): 24345488

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4987, 9974, 19948, 39896, 54857, 79792, 109714, 114701, 219428, 229402, 438856, 458804, 877712, 917608, 1261711, 1835216, 2523422, 5046844, 10093688, 20187376]

約数ペア:

[(1, 20187376), (2, 10093688), (4, 5046844), (8, 2523422), (11, 1835216), (16, 1261711), (22, 917608), (23, 877712), (44, 458804), (46, 438856), (88, 229402), (92, 219428), (176, 114701), (184, 109714), (253, 79792), (368, 54857), (506, 39896), (1012, 19948), (2024, 9974), (4048, 4987)]