20937567040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5033069}}^1$

素因数の和:5033099

約数の個数: 56

約数和(自身を含む): 53692790760

約数和(自身を除く): 32755223720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 5033069, 10066138, 20132276, 25165345, 40264552, 50330690, 65429897, 80529104, 100661380, 130859794, 161058208, 201322760, 261719588, 322116416, 327149485, 402645520, 523439176, 654298970, 805291040, 1046878352, 1308597940, 1610582080, 2093756704, 2617195880, 4187513408, 5234391760, 10468783520, 20937567040]

約数ペア:

[(1, 20937567040), (2, 10468783520), (4, 5234391760), (5, 4187513408), (8, 2617195880), (10, 2093756704), (13, 1610582080), (16, 1308597940), (20, 1046878352), (26, 805291040), (32, 654298970), (40, 523439176), (52, 402645520), (64, 327149485), (65, 322116416), (80, 261719588), (104, 201322760), (130, 161058208), (160, 130859794), (208, 100661380), (260, 80529104), (320, 65429897), (416, 50330690), (520, 40264552), (832, 25165345), (1040, 20132276), (2080, 10066138), (4160, 5033069)]