20713413

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4127}}^1$

素因数の和:4376

約数の個数: 16

約数和(自身を含む): 31703040

約数和(自身を除く): 10989627

約数列:

[1, 3, 7, 21, 239, 717, 1673, 4127, 5019, 12381, 28889, 86667, 986353, 2959059, 6904471, 20713413]

約数ペア:

[(1, 20713413), (3, 6904471), (7, 2959059), (21, 986353), (239, 86667), (717, 28889), (1673, 12381), (4127, 5019)]