20121247135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{480737}}^1$

素因数の和:481514

約数の個数: 16

約数和(自身を含む): 26375209632

約数和(自身を除く): 6253962497

約数列:

[1, 5, 11, 55, 761, 3805, 8371, 41855, 480737, 2403685, 5288107, 26440535, 365840857, 1829204285, 4024249427, 20121247135]

約数ペア:

[(1, 20121247135), (5, 4024249427), (11, 1829204285), (55, 365840857), (761, 26440535), (3805, 5288107), (8371, 2403685), (41855, 480737)]