20568276

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^2\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 55124160

約数和(自身を除く): 34555884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 103, 108, 129, 172, 206, 258, 309, 387, 412, 516, 618, 774, 927, 1161, 1236, 1548, 1849, 1854, 2322, 2781, 3698, 3708, 4429, 4644, 5547, 5562, 7396, 8858, 11094, 11124, 13287, 16641, 17716, 22188, 26574, 33282, 39861, 49923, 53148, 66564, 79722, 99846, 119583, 159444, 190447, 199692, 239166, 380894, 478332, 571341, 761788, 1142682, 1714023, 2285364, 3428046, 5142069, 6856092, 10284138, 20568276]

約数ペア:

[(1, 20568276), (2, 10284138), (3, 6856092), (4, 5142069), (6, 3428046), (9, 2285364), (12, 1714023), (18, 1142682), (27, 761788), (36, 571341), (43, 478332), (54, 380894), (86, 239166), (103, 199692), (108, 190447), (129, 159444), (172, 119583), (206, 99846), (258, 79722), (309, 66564), (387, 53148), (412, 49923), (516, 39861), (618, 33282), (774, 26574), (927, 22188), (1161, 17716), (1236, 16641), (1548, 13287), (1849, 11124), (1854, 11094), (2322, 8858), (2781, 7396), (3698, 5562), (3708, 5547), (4429, 4644)]