20465048968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28111331}}^1$

素因数の和:28111357

約数の個数: 32

約数和(自身を含む): 47227037760

約数和(自身を除く): 26761988792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28111331, 56222662, 112445324, 196779317, 224890648, 365447303, 393558634, 730894606, 787117268, 1461789212, 1574234536, 2558131121, 2923578424, 5116262242, 10232524484, 20465048968]

約数ペア:

[(1, 20465048968), (2, 10232524484), (4, 5116262242), (7, 2923578424), (8, 2558131121), (13, 1574234536), (14, 1461789212), (26, 787117268), (28, 730894606), (52, 393558634), (56, 365447303), (91, 224890648), (104, 196779317), (182, 112445324), (364, 56222662), (728, 28111331)]