20104398717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1423}}^1\times {\mathrm{1877}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 29053291008

約数和(自身を除く): 8948892291

約数列:

[1, 3, 13, 39, 193, 579, 1423, 1877, 2509, 4269, 5631, 7527, 18499, 24401, 55497, 73203, 274639, 362261, 823917, 1086783, 2670971, 3570307, 4709393, 8012913, 10710921, 14128179, 34722623, 104167869, 515497403, 1546492209, 6701466239, 20104398717]

約数ペア:

[(1, 20104398717), (3, 6701466239), (13, 1546492209), (39, 515497403), (193, 104167869), (579, 34722623), (1423, 14128179), (1877, 10710921), (2509, 8012913), (4269, 4709393), (5631, 3570307), (7527, 2670971), (18499, 1086783), (24401, 823917), (55497, 362261), (73203, 274639)]