20171228020011

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{1109}}^1\times {\mathrm{20009531}}^1$

素因数の和:20010747

約数の個数: 24

約数和(自身を含む): 29451229769520

約数和(自身を除く): 9280001749509

約数列:

[1, 3, 9, 101, 303, 909, 1109, 3327, 9981, 112009, 336027, 1008081, 20009531, 60028593, 180085779, 2020962631, 6062887893, 18188663679, 22190569879, 66571709637, 199715128911, 2241247557779, 6723742673337, 20171228020011]

約数ペア:

[(1, 20171228020011), (3, 6723742673337), (9, 2241247557779), (101, 199715128911), (303, 66571709637), (909, 22190569879), (1109, 18188663679), (3327, 6062887893), (9981, 2020962631), (112009, 180085779), (336027, 60028593), (1008081, 20009531)]