20215474432

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{27127}}^1$

素因数の和:27255

約数の個数: 72

約数和(自身を含む): 41919921792

約数和(自身を除く): 21704447360

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 71, 82, 128, 142, 164, 256, 284, 328, 568, 656, 1136, 1312, 2272, 2624, 2911, 4544, 5248, 5822, 9088, 10496, 11644, 18176, 23288, 27127, 46576, 54254, 93152, 108508, 186304, 217016, 372608, 434032, 745216, 868064, 1112207, 1736128, 1926017, 2224414, 3472256, 3852034, 4448828, 6944512, 7704068, 8897656, 15408136, 17795312, 30816272, 35590624, 61632544, 71181248, 78966697, 123265088, 142362496, 157933394, 246530176, 284724992, 315866788, 493060352, 631733576, 1263467152, 2526934304, 5053868608, 10107737216, 20215474432]

約数ペア:

[(1, 20215474432), (2, 10107737216), (4, 5053868608), (8, 2526934304), (16, 1263467152), (32, 631733576), (41, 493060352), (64, 315866788), (71, 284724992), (82, 246530176), (128, 157933394), (142, 142362496), (164, 123265088), (256, 78966697), (284, 71181248), (328, 61632544), (568, 35590624), (656, 30816272), (1136, 17795312), (1312, 15408136), (2272, 8897656), (2624, 7704068), (2911, 6944512), (4544, 4448828), (5248, 3852034), (5822, 3472256), (9088, 2224414), (10496, 1926017), (11644, 1736128), (18176, 1112207), (23288, 868064), (27127, 745216), (46576, 434032), (54254, 372608), (93152, 217016), (108508, 186304)]