20974888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8219}}^1$

素因数の和:8265

約数の個数: 32

約数和(自身を含む): 44388000

約数和(自身を除く): 23413112

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8219, 16438, 32876, 65752, 90409, 180818, 238351, 361636, 476702, 723272, 953404, 1906808, 2621861, 5243722, 10487444, 20974888]

約数ペア:

[(1, 20974888), (2, 10487444), (4, 5243722), (8, 2621861), (11, 1906808), (22, 953404), (29, 723272), (44, 476702), (58, 361636), (88, 238351), (116, 180818), (232, 90409), (319, 65752), (638, 32876), (1276, 16438), (2552, 8219)]