20952999

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2012

約数の個数: 20

約数和(自身を含む): 31542280

約数和(自身を除く): 10589281

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1861, 3753, 5583, 11259, 16749, 50247, 150741, 258679, 776037, 2328111, 6984333, 20952999]

約数ペア:

[(1, 20952999), (3, 6984333), (9, 2328111), (27, 776037), (81, 258679), (139, 150741), (417, 50247), (1251, 16749), (1861, 11259), (3753, 5583)]