20164846888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2\times {\mathrm{439}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 41304859200

約数和(自身を除く): 21140012312

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 71, 134, 136, 142, 268, 284, 439, 536, 568, 878, 1139, 1207, 1756, 2278, 2414, 3512, 4556, 4757, 4828, 5041, 7463, 9112, 9514, 9656, 10082, 14926, 19028, 20164, 29413, 29852, 31169, 38056, 40328, 58826, 59704, 62338, 80869, 85697, 117652, 124676, 161738, 171394, 235304, 249352, 323476, 337747, 342788, 500021, 529873, 646952, 675494, 685576, 1000042, 1059746, 1350988, 2000084, 2088323, 2119492, 2212999, 2701976, 4000168, 4176646, 4238984, 4425998, 5741699, 8353292, 8851996, 11483398, 16706584, 17703992, 22966796, 35501491, 37620983, 45933592, 71002982, 75241966, 142005964, 148270933, 150483932, 284011928, 296541866, 300967864, 593083732, 1186167464, 2520605861, 5041211722, 10082423444, 20164846888]

約数ペア:

[(1, 20164846888), (2, 10082423444), (4, 5041211722), (8, 2520605861), (17, 1186167464), (34, 593083732), (67, 300967864), (68, 296541866), (71, 284011928), (134, 150483932), (136, 148270933), (142, 142005964), (268, 75241966), (284, 71002982), (439, 45933592), (536, 37620983), (568, 35501491), (878, 22966796), (1139, 17703992), (1207, 16706584), (1756, 11483398), (2278, 8851996), (2414, 8353292), (3512, 5741699), (4556, 4425998), (4757, 4238984), (4828, 4176646), (5041, 4000168), (7463, 2701976), (9112, 2212999), (9514, 2119492), (9656, 2088323), (10082, 2000084), (14926, 1350988), (19028, 1059746), (20164, 1000042), (29413, 685576), (29852, 675494), (31169, 646952), (38056, 529873), (40328, 500021), (58826, 342788), (59704, 337747), (62338, 323476), (80869, 249352), (85697, 235304), (117652, 171394), (124676, 161738)]