20634579

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2579}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 34344960

約数和(自身を除く): 13710381

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2579, 2667, 7737, 8001, 18053, 23211, 54159, 162477, 327533, 982599, 2292731, 2947797, 6878193, 20634579]

約数ペア:

[(1, 20634579), (3, 6878193), (7, 2947797), (9, 2292731), (21, 982599), (63, 327533), (127, 162477), (381, 54159), (889, 23211), (1143, 18053), (2579, 8001), (2667, 7737)]