20682387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12289}}^1$

素因数の和:12323

約数の個数: 24

約数和(自身を含む): 34510320

約数和(自身を除く): 13827933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12289, 36867, 110601, 135179, 208913, 405537, 626739, 1216611, 1880217, 2298043, 6894129, 20682387]

約数ペア:

[(1, 20682387), (3, 6894129), (9, 2298043), (11, 1880217), (17, 1216611), (33, 626739), (51, 405537), (99, 208913), (153, 135179), (187, 110601), (561, 36867), (1683, 12289)]