20178867742

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1019}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 34297655040

約数和(自身を除く): 14118787298

約数列:

[1, 2, 11, 22, 43, 86, 121, 173, 242, 346, 473, 946, 1019, 1331, 1903, 2038, 2662, 3806, 5203, 7439, 10406, 11209, 14878, 20933, 22418, 41866, 43817, 57233, 81829, 87634, 114466, 123299, 163658, 176287, 230263, 246598, 352574, 460526, 481987, 900119, 963974, 1356289, 1800238, 1939157, 2712578, 3878314, 5301857, 7580341, 9901309, 10603714, 15160682, 19802618, 21330727, 42661454, 58320427, 83383751, 116640854, 166767502, 234637997, 469275994, 917221261, 1834442522, 10089433871, 20178867742]

約数ペア:

[(1, 20178867742), (2, 10089433871), (11, 1834442522), (22, 917221261), (43, 469275994), (86, 234637997), (121, 166767502), (173, 116640854), (242, 83383751), (346, 58320427), (473, 42661454), (946, 21330727), (1019, 19802618), (1331, 15160682), (1903, 10603714), (2038, 9901309), (2662, 7580341), (3806, 5301857), (5203, 3878314), (7439, 2712578), (10406, 1939157), (11209, 1800238), (14878, 1356289), (20933, 963974), (22418, 900119), (41866, 481987), (43817, 460526), (57233, 352574), (81829, 246598), (87634, 230263), (114466, 176287), (123299, 163658)]