20164508752

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2132

約数の個数: 80

約数和(自身を含む): 41439847680

約数和(自身を除く): 21275338928

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 821, 1231, 1247, 1642, 2462, 2494, 3284, 4924, 4988, 6568, 9848, 9976, 13136, 19696, 19952, 23809, 35303, 35699, 47618, 52933, 70606, 71398, 95236, 105866, 141212, 142796, 190472, 211732, 282424, 285592, 380944, 423464, 564848, 571184, 846928, 1010651, 1023787, 1535057, 2021302, 2047574, 3070114, 4042604, 4095148, 6140228, 8085208, 8190296, 12280456, 16170416, 16380592, 24560912, 29308879, 43457993, 58617758, 86915986, 117235516, 173831972, 234471032, 347663944, 468942064, 695327888, 1260281797, 2520563594, 5041127188, 10082254376, 20164508752]

約数ペア:

[(1, 20164508752), (2, 10082254376), (4, 5041127188), (8, 2520563594), (16, 1260281797), (29, 695327888), (43, 468942064), (58, 347663944), (86, 234471032), (116, 173831972), (172, 117235516), (232, 86915986), (344, 58617758), (464, 43457993), (688, 29308879), (821, 24560912), (1231, 16380592), (1247, 16170416), (1642, 12280456), (2462, 8190296), (2494, 8085208), (3284, 6140228), (4924, 4095148), (4988, 4042604), (6568, 3070114), (9848, 2047574), (9976, 2021302), (13136, 1535057), (19696, 1023787), (19952, 1010651), (23809, 846928), (35303, 571184), (35699, 564848), (47618, 423464), (52933, 380944), (70606, 285592), (71398, 282424), (95236, 211732), (105866, 190472), (141212, 142796)]