20342595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 40793760

約数和(自身を除く): 20451165

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2129, 3185, 6387, 9555, 10645, 14903, 27677, 31935, 44709, 74515, 83031, 104321, 138385, 193739, 223545, 312963, 415155, 521605, 581217, 968695, 1356173, 1564815, 2906085, 4068519, 6780865, 20342595]

約数ペア:

[(1, 20342595), (3, 6780865), (5, 4068519), (7, 2906085), (13, 1564815), (15, 1356173), (21, 968695), (35, 581217), (39, 521605), (49, 415155), (65, 312963), (91, 223545), (105, 193739), (147, 138385), (195, 104321), (245, 83031), (273, 74515), (455, 44709), (637, 31935), (735, 27677), (1365, 14903), (1911, 10645), (2129, 9555), (3185, 6387)]