20015113

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 21997440

約数和(自身を除く): 1982327

約数列:

[1, 19, 37, 71, 401, 703, 1349, 2627, 7619, 14837, 28471, 49913, 281903, 540949, 1053427, 20015113]

約数ペア:

[(1, 20015113), (19, 1053427), (37, 540949), (71, 281903), (401, 49913), (703, 28471), (1349, 14837), (2627, 7619)]