20934963

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14730957

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 431, 771, 1293, 1799, 2313, 3017, 3879, 5397, 6939, 9051, 11637, 16191, 27153, 48573, 81459, 110767, 332301, 775369, 996903, 2326107, 2990709, 6978321, 20934963]

約数ペア:

[(1, 20934963), (3, 6978321), (7, 2990709), (9, 2326107), (21, 996903), (27, 775369), (63, 332301), (189, 110767), (257, 81459), (431, 48573), (771, 27153), (1293, 16191), (1799, 11637), (2313, 9051), (3017, 6939), (3879, 5397)]