20445854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 37225104

約数和(自身を除く): 16779250

約数列:

[1, 2, 11, 13, 22, 26, 67, 97, 121, 134, 143, 194, 242, 286, 737, 871, 1067, 1261, 1474, 1573, 1742, 2134, 2522, 3146, 6499, 8107, 9581, 11737, 12998, 13871, 16214, 19162, 23474, 27742, 71489, 84487, 105391, 142978, 152581, 168974, 210782, 305162, 786379, 929357, 1572758, 1858714, 10222927, 20445854]

約数ペア:

[(1, 20445854), (2, 10222927), (11, 1858714), (13, 1572758), (22, 929357), (26, 786379), (67, 305162), (97, 210782), (121, 168974), (134, 152581), (143, 142978), (194, 105391), (242, 84487), (286, 71489), (737, 27742), (871, 23474), (1067, 19162), (1261, 16214), (1474, 13871), (1573, 12998), (1742, 11737), (2134, 9581), (2522, 8107), (3146, 6499)]