20990073

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13127}}^1$

素因数の和:13184

約数の個数: 16

約数和(自身を含む): 30877056

約数和(自身を除く): 9886983

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13127, 39381, 170651, 511953, 538207, 1614621, 6996691, 20990073]

約数ペア:

[(1, 20990073), (3, 6996691), (13, 1614621), (39, 538207), (41, 511953), (123, 170651), (533, 39381), (1599, 13127)]