20492186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 36445248

約数和(自身を除く): 15953062

約数列:

[1, 2, 11, 13, 22, 26, 137, 143, 274, 286, 523, 1046, 1507, 1781, 3014, 3562, 5753, 6799, 11506, 13598, 19591, 39182, 71651, 74789, 143302, 149578, 788161, 931463, 1576322, 1862926, 10246093, 20492186]

約数ペア:

[(1, 20492186), (2, 10246093), (11, 1862926), (13, 1576322), (22, 931463), (26, 788161), (137, 149578), (143, 143302), (274, 74789), (286, 71651), (523, 39182), (1046, 19591), (1507, 13598), (1781, 11506), (3014, 6799), (3562, 5753)]