20512071997534

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{25309}}^1\times {\mathrm{2397827}}^1$

素因数の和:2423164

約数の個数: 24

約数和(自身を含む): 33318275647320

約数和(自身を除く): 12806203649786

約数列:

[1, 2, 13, 26, 169, 338, 25309, 50618, 329017, 658034, 2397827, 4277221, 4795654, 8554442, 31171751, 62343502, 405232763, 810465526, 60686603543, 121373207086, 788925846059, 1577851692118, 10256035998767, 20512071997534]

約数ペア:

[(1, 20512071997534), (2, 10256035998767), (13, 1577851692118), (26, 788925846059), (169, 121373207086), (338, 60686603543), (25309, 810465526), (50618, 405232763), (329017, 62343502), (658034, 31171751), (2397827, 8554442), (4277221, 4795654)]