20257644

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 53428032

約数和(自身を除く): 33170388

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 83, 86, 129, 132, 166, 172, 249, 258, 332, 473, 498, 516, 913, 946, 996, 1419, 1826, 1849, 1892, 2739, 2838, 3569, 3652, 3698, 5478, 5547, 5676, 7138, 7396, 10707, 10956, 11094, 14276, 20339, 21414, 22188, 39259, 40678, 42828, 61017, 78518, 81356, 117777, 122034, 153467, 157036, 235554, 244068, 306934, 460401, 471108, 613868, 920802, 1688137, 1841604, 3376274, 5064411, 6752548, 10128822, 20257644]

約数ペア:

[(1, 20257644), (2, 10128822), (3, 6752548), (4, 5064411), (6, 3376274), (11, 1841604), (12, 1688137), (22, 920802), (33, 613868), (43, 471108), (44, 460401), (66, 306934), (83, 244068), (86, 235554), (129, 157036), (132, 153467), (166, 122034), (172, 117777), (249, 81356), (258, 78518), (332, 61017), (473, 42828), (498, 40678), (516, 39259), (913, 22188), (946, 21414), (996, 20339), (1419, 14276), (1826, 11094), (1849, 10956), (1892, 10707), (2739, 7396), (2838, 7138), (3569, 5676), (3652, 5547), (3698, 5478)]