20293251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10672509

約数列:

[1, 3, 11, 31, 33, 83, 93, 239, 249, 341, 717, 913, 1023, 2573, 2629, 2739, 7409, 7719, 7887, 19837, 22227, 28303, 59511, 81499, 84909, 218207, 244497, 614947, 654621, 1844841, 6764417, 20293251]

約数ペア:

[(1, 20293251), (3, 6764417), (11, 1844841), (31, 654621), (33, 614947), (83, 244497), (93, 218207), (239, 84909), (249, 81499), (341, 59511), (717, 28303), (913, 22227), (1023, 19837), (2573, 7887), (2629, 7719), (2739, 7409)]