20691814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16321946

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1019, 1562, 1846, 2038, 10153, 11209, 13247, 20306, 22418, 26494, 72349, 144698, 145717, 291434, 795839, 940537, 1591678, 1881074, 10345907, 20691814]

約数ペア:

[(1, 20691814), (2, 10345907), (11, 1881074), (13, 1591678), (22, 940537), (26, 795839), (71, 291434), (142, 145717), (143, 144698), (286, 72349), (781, 26494), (923, 22418), (1019, 20306), (1562, 13247), (1846, 11209), (2038, 10153)]