20949071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 25297920

約数和(自身を除く): 4348849

約数列:

[1, 11, 13, 59, 143, 169, 191, 649, 767, 1859, 2101, 2483, 8437, 9971, 11269, 27313, 32279, 109681, 123959, 146497, 355069, 1611467, 1904461, 20949071]

約数ペア:

[(1, 20949071), (11, 1904461), (13, 1611467), (59, 355069), (143, 146497), (169, 123959), (191, 109681), (649, 32279), (767, 27313), (1859, 11269), (2101, 9971), (2483, 8437)]