20104080345

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{675881}}^1$

素因数の和:676553

約数の個数: 24

約数和(自身を含む): 34899842952

約数和(自身を除く): 14795762607

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 3305, 5949, 9915, 29745, 675881, 2027643, 3379405, 6082929, 10138215, 30414645, 446757341, 1340272023, 2233786705, 4020816069, 6701360115, 20104080345]

約数ペア:

[(1, 20104080345), (3, 6701360115), (5, 4020816069), (9, 2233786705), (15, 1340272023), (45, 446757341), (661, 30414645), (1983, 10138215), (3305, 6082929), (5949, 3379405), (9915, 2027643), (29745, 675881)]