20657103669

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{3467}}^1\times {\mathrm{12491}}^1$

素因数の和:16017

約数の個数: 24

約数和(自身を含む): 30412223712

約数和(自身を除く): 9755120043

約数列:

[1, 3, 9, 53, 159, 477, 3467, 10401, 12491, 31203, 37473, 112419, 183751, 551253, 662023, 1653759, 1986069, 5958207, 43306297, 129918891, 389756673, 2295233741, 6885701223, 20657103669]

約数ペア:

[(1, 20657103669), (3, 6885701223), (9, 2295233741), (53, 389756673), (159, 129918891), (477, 43306297), (3467, 5958207), (10401, 1986069), (12491, 1653759), (31203, 662023), (37473, 551253), (112419, 183751)]