20320804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38197}}^1$

素因数の和:38227

約数の個数: 24

約数和(自身を含む): 42781760

約数和(自身を除く): 22460956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38197, 76394, 152788, 267379, 534758, 725743, 1069516, 1451486, 2902972, 5080201, 10160402, 20320804]

約数ペア:

[(1, 20320804), (2, 10160402), (4, 5080201), (7, 2902972), (14, 1451486), (19, 1069516), (28, 725743), (38, 534758), (76, 267379), (133, 152788), (266, 76394), (532, 38197)]