20104441

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 23569920

約数和(自身を除く): 3465479

約数列:

[1, 7, 61, 197, 239, 427, 1379, 1673, 12017, 14579, 47083, 84119, 102053, 329581, 2872063, 20104441]

約数ペア:

[(1, 20104441), (7, 2872063), (61, 329581), (197, 102053), (239, 84119), (427, 47083), (1379, 14579), (1673, 12017)]