20664834

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21636606

約数列:

[1, 2, 3, 6, 71, 142, 179, 213, 271, 358, 426, 537, 542, 813, 1074, 1626, 12709, 19241, 25418, 38127, 38482, 48509, 57723, 76254, 97018, 115446, 145527, 291054, 3444139, 6888278, 10332417, 20664834]

約数ペア:

[(1, 20664834), (2, 10332417), (3, 6888278), (6, 3444139), (71, 291054), (142, 145527), (179, 115446), (213, 97018), (271, 76254), (358, 57723), (426, 48509), (537, 38482), (542, 38127), (813, 25418), (1074, 19241), (1626, 12709)]