20527969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 26589888

約数和(自身を除く): 6061919

約数列:

[1, 7, 11, 29, 77, 203, 317, 319, 841, 2219, 2233, 3487, 5887, 9193, 9251, 24409, 64351, 64757, 101123, 266597, 707861, 1866179, 2932567, 20527969]

約数ペア:

[(1, 20527969), (7, 2932567), (11, 1866179), (29, 707861), (77, 266597), (203, 101123), (317, 64757), (319, 64351), (841, 24409), (2219, 9251), (2233, 9193), (3487, 5887)]