16920414

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 80

約数和(自身を含む): 44466048

約数和(自身を除く): 27545634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 81, 86, 126, 129, 162, 189, 258, 301, 347, 378, 387, 567, 602, 694, 774, 903, 1041, 1134, 1161, 1806, 2082, 2322, 2429, 2709, 3123, 3483, 4858, 5418, 6246, 6966, 7287, 8127, 9369, 14574, 14921, 16254, 18738, 21861, 24381, 28107, 29842, 43722, 44763, 48762, 56214, 65583, 89526, 104447, 131166, 134289, 196749, 208894, 268578, 313341, 393498, 402867, 626682, 805734, 940023, 1208601, 1880046, 2417202, 2820069, 5640138, 8460207, 16920414]

約数ペア:

[(1, 16920414), (2, 8460207), (3, 5640138), (6, 2820069), (7, 2417202), (9, 1880046), (14, 1208601), (18, 940023), (21, 805734), (27, 626682), (42, 402867), (43, 393498), (54, 313341), (63, 268578), (81, 208894), (86, 196749), (126, 134289), (129, 131166), (162, 104447), (189, 89526), (258, 65583), (301, 56214), (347, 48762), (378, 44763), (387, 43722), (567, 29842), (602, 28107), (694, 24381), (774, 21861), (903, 18738), (1041, 16254), (1134, 14921), (1161, 14574), (1806, 9369), (2082, 8127), (2322, 7287), (2429, 6966), (2709, 6246), (3123, 5418), (3483, 4858)]