20512557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10313}}^1$

素因数の和:10349

約数の個数: 24

約数和(自身を含む): 33788664

約数和(自身を除く): 13276107

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10313, 30939, 92817, 134069, 175321, 402207, 525963, 1206621, 1577889, 2279173, 6837519, 20512557]

約数ペア:

[(1, 20512557), (3, 6837519), (9, 2279173), (13, 1577889), (17, 1206621), (39, 525963), (51, 402207), (117, 175321), (153, 134069), (221, 92817), (663, 30939), (1989, 10313)]