20512667763

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2563763}}^1$

素因数の和:2563903

約数の個数: 24

約数和(自身を含む): 34128826368

約数和(自身を除く): 13616158605

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 2563763, 7691289, 17946341, 23073867, 53839023, 161517069, 325597901, 976793703, 2279185307, 2930381109, 6837555921, 20512667763]

約数ペア:

[(1, 20512667763), (3, 6837555921), (7, 2930381109), (9, 2279185307), (21, 976793703), (63, 325597901), (127, 161517069), (381, 53839023), (889, 23073867), (1143, 17946341), (2667, 7691289), (8001, 2563763)]