20809475146

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{867857}}^1$

素因数の和:868509

約数の個数: 16

約数和(自身を含む): 32909175360

約数和(自身を除く): 12099700214

約数列:

[1, 2, 19, 38, 631, 1262, 11989, 23978, 867857, 1735714, 16489283, 32978566, 547617767, 1095235534, 10404737573, 20809475146]

約数ペア:

[(1, 20809475146), (2, 10404737573), (19, 1095235534), (38, 547617767), (631, 32978566), (1262, 16489283), (11989, 1735714), (23978, 867857)]