20273407

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 26634960

約数和(自身を除く): 6361553

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1297, 1421, 2233, 9079, 14267, 15631, 37613, 63553, 99869, 263291, 413743, 699083, 1843037, 2896201, 20273407]

約数ペア:

[(1, 20273407), (7, 2896201), (11, 1843037), (29, 699083), (49, 413743), (77, 263291), (203, 99869), (319, 63553), (539, 37613), (1297, 15631), (1421, 14267), (2233, 9079)]