20402954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71339}}^1$

素因数の和:71365

約数の個数: 16

約数和(自身を含む): 35955360

約数和(自身を除く): 15552406

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71339, 142678, 784729, 927407, 1569458, 1854814, 10201477, 20402954]

約数ペア:

[(1, 20402954), (2, 10201477), (11, 1854814), (13, 1569458), (22, 927407), (26, 784729), (143, 142678), (286, 71339)]