20335076

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{239}}^2$

素因数の和:571

約数の個数: 18

約数和(自身を含む): 36137430

約数和(自身を除く): 15802354

約数列:

[1, 2, 4, 89, 178, 239, 356, 478, 956, 21271, 42542, 57121, 85084, 114242, 228484, 5083769, 10167538, 20335076]

約数ペア:

[(1, 20335076), (2, 10167538), (4, 5083769), (89, 228484), (178, 114242), (239, 85084), (356, 57121), (478, 42542), (956, 21271)]