20805791211

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{203017}}^1$

素因数の和:203275

約数の個数: 24

約数和(自身を含む): 30720683760

約数和(自身を除く): 9914892549

約数列:

[1, 3, 9, 59, 177, 193, 531, 579, 1737, 11387, 34161, 102483, 203017, 609051, 1827153, 11978003, 35934009, 39182281, 107802027, 117546843, 352640529, 2311754579, 6935263737, 20805791211]

約数ペア:

[(1, 20805791211), (3, 6935263737), (9, 2311754579), (59, 352640529), (177, 117546843), (193, 107802027), (531, 39182281), (579, 35934009), (1737, 11978003), (11387, 1827153), (34161, 609051), (102483, 203017)]