20812077

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 35887488

約数和(自身を除く): 15075411

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 103, 117, 143, 157, 309, 429, 471, 927, 1133, 1287, 1339, 1413, 1727, 2041, 3399, 4017, 5181, 6123, 10197, 12051, 14729, 15543, 16171, 18369, 22451, 44187, 48513, 67353, 132561, 145539, 177881, 202059, 210223, 533643, 630669, 1600929, 1892007, 2312453, 6937359, 20812077]

約数ペア:

[(1, 20812077), (3, 6937359), (9, 2312453), (11, 1892007), (13, 1600929), (33, 630669), (39, 533643), (99, 210223), (103, 202059), (117, 177881), (143, 145539), (157, 132561), (309, 67353), (429, 48513), (471, 44187), (927, 22451), (1133, 18369), (1287, 16171), (1339, 15543), (1413, 14729), (1727, 12051), (2041, 10197), (3399, 6123), (4017, 5181)]