20212956

素因数分解:

$2^2\times 3^3\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 52711680

約数和(自身を除く): 32498724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 211, 422, 633, 844, 887, 1266, 1774, 1899, 2532, 2661, 3548, 3798, 5322, 5697, 7596, 7983, 10644, 11394, 15966, 22788, 23949, 31932, 47898, 95796, 187157, 374314, 561471, 748628, 1122942, 1684413, 2245884, 3368826, 5053239, 6737652, 10106478, 20212956]

約数ペア:

[(1, 20212956), (2, 10106478), (3, 6737652), (4, 5053239), (6, 3368826), (9, 2245884), (12, 1684413), (18, 1122942), (27, 748628), (36, 561471), (54, 374314), (108, 187157), (211, 95796), (422, 47898), (633, 31932), (844, 23949), (887, 22788), (1266, 15966), (1774, 11394), (1899, 10644), (2532, 7983), (2661, 7596), (3548, 5697), (3798, 5322)]