20494366984

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28151603}}^1$

素因数の和:28151629

約数の個数: 32

約数和(自身を含む): 47294694720

約数和(自身を除く): 26800327736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28151603, 56303206, 112606412, 197061221, 225212824, 365970839, 394122442, 731941678, 788244884, 1463883356, 1576489768, 2561795873, 2927766712, 5123591746, 10247183492, 20494366984]

約数ペア:

[(1, 20494366984), (2, 10247183492), (4, 5123591746), (7, 2927766712), (8, 2561795873), (13, 1576489768), (14, 1463883356), (26, 788244884), (28, 731941678), (52, 394122442), (56, 365970839), (91, 225212824), (104, 197061221), (182, 112606412), (364, 56303206), (728, 28151603)]