20995227

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 13196133

約数列:

[1, 3, 9, 11, 27, 33, 99, 223, 297, 317, 669, 951, 2007, 2453, 2853, 3487, 6021, 7359, 8559, 10461, 22077, 31383, 66231, 70691, 94149, 212073, 636219, 777601, 1908657, 2332803, 6998409, 20995227]

約数ペア:

[(1, 20995227), (3, 6998409), (9, 2332803), (11, 1908657), (27, 777601), (33, 636219), (99, 212073), (223, 94149), (297, 70691), (317, 66231), (669, 31383), (951, 22077), (2007, 10461), (2453, 8559), (2853, 7359), (3487, 6021)]