20583387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 32600880

約数和(自身を除く): 12017493

約数列:

[1, 3, 9, 11, 33, 99, 257, 771, 809, 2313, 2427, 2827, 7281, 8481, 8899, 25443, 26697, 80091, 207913, 623739, 1871217, 2287043, 6861129, 20583387]

約数ペア:

[(1, 20583387), (3, 6861129), (9, 2287043), (11, 1871217), (33, 623739), (99, 207913), (257, 80091), (771, 26697), (809, 25443), (2313, 8899), (2427, 8481), (2827, 7281)]