20119671

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 56

約数和(自身を含む): 35623056

約数和(自身を除く): 15503385

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 193, 243, 297, 351, 429, 579, 729, 891, 1053, 1287, 1737, 2123, 2509, 2673, 3159, 3861, 5211, 6369, 7527, 8019, 9477, 11583, 15633, 19107, 22581, 27599, 34749, 46899, 57321, 67743, 82797, 104247, 140697, 171963, 203229, 248391, 515889, 609687, 745173, 1547667, 1829061, 2235519, 6706557, 20119671]

約数ペア:

[(1, 20119671), (3, 6706557), (9, 2235519), (11, 1829061), (13, 1547667), (27, 745173), (33, 609687), (39, 515889), (81, 248391), (99, 203229), (117, 171963), (143, 140697), (193, 104247), (243, 82797), (297, 67743), (351, 57321), (429, 46899), (579, 34749), (729, 27599), (891, 22581), (1053, 19107), (1287, 15633), (1737, 11583), (2123, 9477), (2509, 8019), (2673, 7527), (3159, 6369), (3861, 5211)]