20565386109

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{577}}^1\times {\mathrm{24907}}^1$

素因数の和:25546

約数の個数: 32

約数和(自身を含む): 31097139840

約数和(自身を除く): 10531753731

約数列:

[1, 3, 9, 27, 53, 159, 477, 577, 1431, 1731, 5193, 15579, 24907, 30581, 74721, 91743, 224163, 275229, 672489, 825687, 1320071, 3960213, 11880639, 14371339, 35641917, 43114017, 129342051, 388026153, 761680967, 2285042901, 6855128703, 20565386109]

約数ペア:

[(1, 20565386109), (3, 6855128703), (9, 2285042901), (27, 761680967), (53, 388026153), (159, 129342051), (477, 43114017), (577, 35641917), (1431, 14371339), (1731, 11880639), (5193, 3960213), (15579, 1320071), (24907, 825687), (30581, 672489), (74721, 275229), (91743, 224163)]