20934928

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 48996864

約数和(自身を除く): 28061936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 47, 56, 82, 94, 97, 112, 164, 188, 194, 287, 328, 329, 376, 388, 574, 656, 658, 679, 752, 776, 1148, 1316, 1358, 1552, 1927, 2296, 2632, 2716, 3854, 3977, 4559, 4592, 5264, 5432, 7708, 7954, 9118, 10864, 13489, 15416, 15908, 18236, 26978, 27839, 30832, 31816, 31913, 36472, 53956, 55678, 63632, 63826, 72944, 107912, 111356, 127652, 186919, 215824, 222712, 255304, 373838, 445424, 510608, 747676, 1308433, 1495352, 2616866, 2990704, 5233732, 10467464, 20934928]

約数ペア:

[(1, 20934928), (2, 10467464), (4, 5233732), (7, 2990704), (8, 2616866), (14, 1495352), (16, 1308433), (28, 747676), (41, 510608), (47, 445424), (56, 373838), (82, 255304), (94, 222712), (97, 215824), (112, 186919), (164, 127652), (188, 111356), (194, 107912), (287, 72944), (328, 63826), (329, 63632), (376, 55678), (388, 53956), (574, 36472), (656, 31913), (658, 31816), (679, 30832), (752, 27839), (776, 26978), (1148, 18236), (1316, 15908), (1358, 15416), (1552, 13489), (1927, 10864), (2296, 9118), (2632, 7954), (2716, 7708), (3854, 5432), (3977, 5264), (4559, 4592)]