20764827

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 30853680

約数和(自身を除く): 10088853

約数列:

[1, 3, 9, 61, 109, 183, 327, 347, 549, 981, 1041, 3123, 6649, 19947, 21167, 37823, 59841, 63501, 113469, 190503, 340407, 2307203, 6921609, 20764827]

約数ペア:

[(1, 20764827), (3, 6921609), (9, 2307203), (61, 340407), (109, 190503), (183, 113469), (327, 63501), (347, 59841), (549, 37823), (981, 21167), (1041, 19947), (3123, 6649)]