20129164834

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1\times {\mathrm{3943}}^1$

素因数の和:4594

約数の個数: 32

約数和(自身を含む): 31293273600

約数和(自身を除く): 11164108766

約数列:

[1, 2, 37, 74, 149, 298, 463, 926, 3943, 5513, 7886, 11026, 17131, 34262, 68987, 137974, 145891, 291782, 587507, 1175014, 1825609, 2552519, 3651218, 5105038, 21737759, 43475518, 67547533, 135095066, 272015741, 544031482, 10064582417, 20129164834]

約数ペア:

[(1, 20129164834), (2, 10064582417), (37, 544031482), (74, 272015741), (149, 135095066), (298, 67547533), (463, 43475518), (926, 21737759), (3943, 5105038), (5513, 3651218), (7886, 2552519), (11026, 1825609), (17131, 1175014), (34262, 587507), (68987, 291782), (137974, 145891)]