20766544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68311}}^1$

素因数の和:68338

約数の個数: 20

約数和(自身を含む): 42353440

約数和(自身を除く): 21586896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68311, 136622, 273244, 546488, 1092976, 1297909, 2595818, 5191636, 10383272, 20766544]

約数ペア:

[(1, 20766544), (2, 10383272), (4, 5191636), (8, 2595818), (16, 1297909), (19, 1092976), (38, 546488), (76, 273244), (152, 136622), (304, 68311)]