20905509312

素因数分解:

$2^6\times 3^2\times {\mathrm{269}}^1\times {\mathrm{134923}}^1$

素因数の和:135210

約数の個数: 84

約数和(自身を含む): 60145071480

約数和(自身を除く): 39239562168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 269, 288, 538, 576, 807, 1076, 1614, 2152, 2421, 3228, 4304, 4842, 6456, 8608, 9684, 12912, 17216, 19368, 25824, 38736, 51648, 77472, 134923, 154944, 269846, 404769, 539692, 809538, 1079384, 1214307, 1619076, 2158768, 2428614, 3238152, 4317536, 4857228, 6476304, 8635072, 9714456, 12952608, 19428912, 25905216, 36294287, 38857824, 72588574, 77715648, 108882861, 145177148, 217765722, 290354296, 326648583, 435531444, 580708592, 653297166, 871062888, 1161417184, 1306594332, 1742125776, 2322834368, 2613188664, 3484251552, 5226377328, 6968503104, 10452754656, 20905509312]

約数ペア:

[(1, 20905509312), (2, 10452754656), (3, 6968503104), (4, 5226377328), (6, 3484251552), (8, 2613188664), (9, 2322834368), (12, 1742125776), (16, 1306594332), (18, 1161417184), (24, 871062888), (32, 653297166), (36, 580708592), (48, 435531444), (64, 326648583), (72, 290354296), (96, 217765722), (144, 145177148), (192, 108882861), (269, 77715648), (288, 72588574), (538, 38857824), (576, 36294287), (807, 25905216), (1076, 19428912), (1614, 12952608), (2152, 9714456), (2421, 8635072), (3228, 6476304), (4304, 4857228), (4842, 4317536), (6456, 3238152), (8608, 2428614), (9684, 2158768), (12912, 1619076), (17216, 1214307), (19368, 1079384), (25824, 809538), (38736, 539692), (51648, 404769), (77472, 269846), (134923, 154944)]