20387495344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{17749}}^1$

素因数の和:17918

約数の個数: 80

約数和(自身を含む): 43262856000

約数和(自身を除く): 22875360656

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 103, 136, 164, 206, 272, 328, 412, 656, 697, 824, 1394, 1648, 1751, 2788, 3502, 4223, 5576, 7004, 8446, 11152, 14008, 16892, 17749, 28016, 33784, 35498, 67568, 70996, 71791, 141992, 143582, 283984, 287164, 301733, 574328, 603466, 727709, 1148656, 1206932, 1455418, 1828147, 2413864, 2910836, 3656294, 4827728, 5821672, 7312588, 11643344, 12371053, 14625176, 24742106, 29250352, 31078499, 49484212, 62156998, 74954027, 98968424, 124313996, 149908054, 197936848, 248627992, 299816108, 497255984, 599632216, 1199264432, 1274218459, 2548436918, 5096873836, 10193747672, 20387495344]

約数ペア:

[(1, 20387495344), (2, 10193747672), (4, 5096873836), (8, 2548436918), (16, 1274218459), (17, 1199264432), (34, 599632216), (41, 497255984), (68, 299816108), (82, 248627992), (103, 197936848), (136, 149908054), (164, 124313996), (206, 98968424), (272, 74954027), (328, 62156998), (412, 49484212), (656, 31078499), (697, 29250352), (824, 24742106), (1394, 14625176), (1648, 12371053), (1751, 11643344), (2788, 7312588), (3502, 5821672), (4223, 4827728), (5576, 3656294), (7004, 2910836), (8446, 2413864), (11152, 1828147), (14008, 1455418), (16892, 1206932), (17749, 1148656), (28016, 727709), (33784, 603466), (35498, 574328), (67568, 301733), (70996, 287164), (71791, 283984), (141992, 143582)]