20512781276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1867}}^1\times {\mathrm{16253}}^1$

素因数の和:18150

約数の個数: 36

約数和(自身を含む): 38894326632

約数和(自身を除く): 18381545356

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1867, 3734, 7468, 16253, 24271, 32506, 48542, 65012, 97084, 211289, 315523, 422578, 631046, 845156, 1262092, 2746757, 5493514, 10987028, 30344351, 60688702, 121377404, 394476563, 788953126, 1577906252, 5128195319, 10256390638, 20512781276]

約数ペア:

[(1, 20512781276), (2, 10256390638), (4, 5128195319), (13, 1577906252), (26, 788953126), (52, 394476563), (169, 121377404), (338, 60688702), (676, 30344351), (1867, 10987028), (3734, 5493514), (7468, 2746757), (16253, 1262092), (24271, 845156), (32506, 631046), (48542, 422578), (65012, 315523), (97084, 211289)]