20451464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{839}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 42033600

約数和(自身を除く): 21582136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 839, 1108, 1678, 2216, 3047, 3356, 6094, 6712, 9229, 12188, 18458, 24376, 36916, 73832, 232403, 464806, 929612, 1859224, 2556433, 5112866, 10225732, 20451464]

約数ペア:

[(1, 20451464), (2, 10225732), (4, 5112866), (8, 2556433), (11, 1859224), (22, 929612), (44, 464806), (88, 232403), (277, 73832), (554, 36916), (839, 24376), (1108, 18458), (1678, 12188), (2216, 9229), (3047, 6712), (3356, 6094)]