20123497719

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{56783}}^1$

素因数の和:57048

約数の個数: 36

約数和(自身を含む): 31610857824

約数和(自身を除く): 11487360105

約数列:

[1, 3, 9, 13, 39, 117, 169, 233, 507, 699, 1521, 2097, 3029, 9087, 27261, 39377, 56783, 118131, 170349, 354393, 511047, 738179, 2214537, 6643611, 9596327, 13230439, 28788981, 39691317, 86366943, 119073951, 171995707, 515987121, 1547961363, 2235944191, 6707832573, 20123497719]

約数ペア:

[(1, 20123497719), (3, 6707832573), (9, 2235944191), (13, 1547961363), (39, 515987121), (117, 171995707), (169, 119073951), (233, 86366943), (507, 39691317), (699, 28788981), (1521, 13230439), (2097, 9596327), (3029, 6643611), (9087, 2214537), (27261, 738179), (39377, 511047), (56783, 354393), (118131, 170349)]