20775154816

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{28183}}^1$

素因数の和:28653

約数の個数: 64

約数和(自身を含む): 44673894720

約数和(自身を除く): 23898739904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 443, 832, 886, 1664, 1772, 3544, 5759, 7088, 11518, 14176, 23036, 28183, 28352, 46072, 56366, 56704, 92144, 112732, 184288, 225464, 366379, 368576, 450928, 732758, 737152, 901856, 1465516, 1803712, 2931032, 3607424, 5862064, 11724128, 12485069, 23448256, 24970138, 46896512, 49940276, 99880552, 162305897, 199761104, 324611794, 399522208, 649223588, 799044416, 1298447176, 1598088832, 2596894352, 5193788704, 10387577408, 20775154816]

約数ペア:

[(1, 20775154816), (2, 10387577408), (4, 5193788704), (8, 2596894352), (13, 1598088832), (16, 1298447176), (26, 799044416), (32, 649223588), (52, 399522208), (64, 324611794), (104, 199761104), (128, 162305897), (208, 99880552), (416, 49940276), (443, 46896512), (832, 24970138), (886, 23448256), (1664, 12485069), (1772, 11724128), (3544, 5862064), (5759, 3607424), (7088, 2931032), (11518, 1803712), (14176, 1465516), (23036, 901856), (28183, 737152), (28352, 732758), (46072, 450928), (56366, 368576), (56704, 366379), (92144, 225464), (112732, 184288)]