20667793

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 12

約数和(自身を含む): 21971712

約数和(自身を除く): 1303919

約数列:

[1, 31, 37, 487, 1147, 1369, 15097, 18019, 42439, 558589, 666703, 20667793]

約数ペア:

[(1, 20667793), (31, 666703), (37, 558589), (487, 42439), (1147, 18019), (1369, 15097)]