20286207

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10889}}^1$

素因数の和:10924

約数の個数: 20

約数和(自身を含む): 31624560

約数和(自身を除く): 11338353

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10889, 32667, 98001, 250447, 294003, 751341, 882009, 2254023, 6762069, 20286207]

約数ペア:

[(1, 20286207), (3, 6762069), (9, 2254023), (23, 882009), (27, 751341), (69, 294003), (81, 250447), (207, 98001), (621, 32667), (1863, 10889)]