20960073

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11295927

約数列:

[1, 3, 9, 27, 47, 83, 141, 199, 249, 423, 597, 747, 1269, 1791, 2241, 3901, 5373, 9353, 11703, 16517, 28059, 35109, 49551, 84177, 105327, 148653, 252531, 445959, 776299, 2328897, 6986691, 20960073]

約数ペア:

[(1, 20960073), (3, 6986691), (9, 2328897), (27, 776299), (47, 445959), (83, 252531), (141, 148653), (199, 105327), (249, 84177), (423, 49551), (597, 35109), (747, 28059), (1269, 16517), (1791, 11703), (2241, 9353), (3901, 5373)]