20123246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 15874450

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 991, 1562, 1846, 1982, 10153, 10901, 12883, 20306, 21802, 25766, 70361, 140722, 141713, 283426, 773971, 914693, 1547942, 1829386, 10061623, 20123246]

約数ペア:

[(1, 20123246), (2, 10061623), (11, 1829386), (13, 1547942), (22, 914693), (26, 773971), (71, 283426), (142, 141713), (143, 140722), (286, 70361), (781, 25766), (923, 21802), (991, 20306), (1562, 12883), (1846, 10901), (1982, 10153)]