20671722

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{199}}^2$

素因数の和:435

約数の個数: 36

約数和(自身を含む): 46567170

約数和(自身を除く): 25895448

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 199, 261, 398, 522, 597, 1194, 1791, 3582, 5771, 11542, 17313, 34626, 39601, 51939, 79202, 103878, 118803, 237606, 356409, 712818, 1148429, 2296858, 3445287, 6890574, 10335861, 20671722]

約数ペア:

[(1, 20671722), (2, 10335861), (3, 6890574), (6, 3445287), (9, 2296858), (18, 1148429), (29, 712818), (58, 356409), (87, 237606), (174, 118803), (199, 103878), (261, 79202), (398, 51939), (522, 39601), (597, 34626), (1194, 17313), (1791, 11542), (3582, 5771)]