20957742

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89563}}^1$

素因数の和:89584

約数の個数: 24

約数和(自身を含む): 48901944

約数和(自身を除く): 27944202

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89563, 179126, 268689, 537378, 806067, 1164319, 1612134, 2328638, 3492957, 6985914, 10478871, 20957742]

約数ペア:

[(1, 20957742), (2, 10478871), (3, 6985914), (6, 3492957), (9, 2328638), (13, 1612134), (18, 1164319), (26, 806067), (39, 537378), (78, 268689), (117, 179126), (234, 89563)]