20085345

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9109}}^1$

素因数の和:9134

約数の個数: 36

約数和(自身を含む): 40503060

約数和(自身を除く): 20417715

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9109, 27327, 45545, 63763, 81981, 136635, 191289, 318815, 409905, 446341, 573867, 956445, 1339023, 2231705, 2869335, 4017069, 6695115, 20085345]

約数ペア:

[(1, 20085345), (3, 6695115), (5, 4017069), (7, 2869335), (9, 2231705), (15, 1339023), (21, 956445), (35, 573867), (45, 446341), (49, 409905), (63, 318815), (105, 191289), (147, 136635), (245, 81981), (315, 63763), (441, 45545), (735, 27327), (2205, 9109)]