20258991

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3733}}^1$

素因数の和:3812

約数の個数: 20

約数和(自身を含む): 30723352

約数和(自身を除く): 10464361

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3733, 5427, 11199, 33597, 100791, 250111, 302373, 750333, 2250999, 6752997, 20258991]

約数ペア:

[(1, 20258991), (3, 6752997), (9, 2250999), (27, 750333), (67, 302373), (81, 250111), (201, 100791), (603, 33597), (1809, 11199), (3733, 5427)]