20171939784

素因数分解:

$2^3\times 3^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1\times {\mathrm{10631}}^1$

素因数の和:11270

約数の個数: 64

約数和(自身を含む): 50837120640

約数和(自身を除く): 30665180856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 173, 346, 457, 519, 692, 914, 1038, 1371, 1384, 1828, 2076, 2742, 3656, 4152, 5484, 10631, 10968, 21262, 31893, 42524, 63786, 79061, 85048, 127572, 158122, 237183, 255144, 316244, 474366, 632488, 948732, 1839163, 1897464, 3678326, 4858367, 5517489, 7356652, 9716734, 11034978, 14575101, 14713304, 19433468, 22069956, 29150202, 38866936, 44139912, 58300404, 116600808, 840497491, 1680994982, 2521492473, 3361989964, 5042984946, 6723979928, 10085969892, 20171939784]

約数ペア:

[(1, 20171939784), (2, 10085969892), (3, 6723979928), (4, 5042984946), (6, 3361989964), (8, 2521492473), (12, 1680994982), (24, 840497491), (173, 116600808), (346, 58300404), (457, 44139912), (519, 38866936), (692, 29150202), (914, 22069956), (1038, 19433468), (1371, 14713304), (1384, 14575101), (1828, 11034978), (2076, 9716734), (2742, 7356652), (3656, 5517489), (4152, 4858367), (5484, 3678326), (10631, 1897464), (10968, 1839163), (21262, 948732), (31893, 632488), (42524, 474366), (63786, 316244), (79061, 255144), (85048, 237183), (127572, 158122)]