20617447035

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 33649331040

約数和(自身を除く): 13031884005

約数列:

[1, 3, 5, 15, 61, 183, 305, 521, 709, 915, 1563, 2127, 2605, 3545, 3721, 7815, 10635, 11163, 18605, 31781, 43249, 55815, 95343, 129747, 158905, 216245, 369389, 476715, 648735, 1108167, 1846945, 1938641, 2638189, 5540835, 5815923, 7914567, 9693205, 13190945, 22532729, 29079615, 39572835, 67598187, 112663645, 337990935, 1374496469, 4123489407, 6872482345, 20617447035]

約数ペア:

[(1, 20617447035), (3, 6872482345), (5, 4123489407), (15, 1374496469), (61, 337990935), (183, 112663645), (305, 67598187), (521, 39572835), (709, 29079615), (915, 22532729), (1563, 13190945), (2127, 9693205), (2605, 7914567), (3545, 5815923), (3721, 5540835), (7815, 2638189), (10635, 1938641), (11163, 1846945), (18605, 1108167), (31781, 648735), (43249, 476715), (55815, 369389), (95343, 216245), (129747, 158905)]