20524036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 39418932

約数和(自身を除く): 18894896

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 313, 338, 388, 626, 676, 1252, 1261, 2522, 4069, 5044, 8138, 16276, 16393, 30361, 32786, 52897, 60722, 65572, 105794, 121444, 211588, 394693, 789386, 1578772, 5131009, 10262018, 20524036]

約数ペア:

[(1, 20524036), (2, 10262018), (4, 5131009), (13, 1578772), (26, 789386), (52, 394693), (97, 211588), (169, 121444), (194, 105794), (313, 65572), (338, 60722), (388, 52897), (626, 32786), (676, 30361), (1252, 16393), (1261, 16276), (2522, 8138), (4069, 5044)]