20671956

素因数分解:

$2^2\times 3^3\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 53865280

約数和(自身を除く): 33193324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 277, 554, 691, 831, 1108, 1382, 1662, 2073, 2493, 2764, 3324, 4146, 4986, 6219, 7479, 8292, 9972, 12438, 14958, 18657, 24876, 29916, 37314, 74628, 191407, 382814, 574221, 765628, 1148442, 1722663, 2296884, 3445326, 5167989, 6890652, 10335978, 20671956]

約数ペア:

[(1, 20671956), (2, 10335978), (3, 6890652), (4, 5167989), (6, 3445326), (9, 2296884), (12, 1722663), (18, 1148442), (27, 765628), (36, 574221), (54, 382814), (108, 191407), (277, 74628), (554, 37314), (691, 29916), (831, 24876), (1108, 18657), (1382, 14958), (1662, 12438), (2073, 9972), (2493, 8292), (2764, 7479), (3324, 6219), (4146, 4986)]