20512142703

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{2207}}^1\times {\mathrm{26479}}^1$

素因数の和:28708

約数の個数: 32

約数和(自身を含む): 32741990400

約数和(自身を除く): 12229847697

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 2207, 6621, 19863, 26479, 28691, 59589, 79437, 86073, 238311, 258219, 344227, 714933, 774657, 1032681, 3098043, 9294129, 58439153, 175317459, 525952377, 759708989, 1577857131, 2279126967, 6837380901, 20512142703]

約数ペア:

[(1, 20512142703), (3, 6837380901), (9, 2279126967), (13, 1577857131), (27, 759708989), (39, 525952377), (117, 175317459), (351, 58439153), (2207, 9294129), (6621, 3098043), (19863, 1032681), (26479, 774657), (28691, 714933), (59589, 344227), (79437, 258219), (86073, 238311)]