20455426239

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1\times {\mathrm{11813}}^1$

素因数の和:13639

約数の個数: 32

約数和(自身を含む): 30417742080

約数和(自身を除く): 9962315841

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 1787, 5361, 11813, 30379, 33953, 35439, 91137, 101859, 200821, 224447, 577201, 602463, 673341, 1731603, 3815599, 11446797, 21109831, 63329493, 358867127, 401086789, 1076601381, 1203260367, 6818475413, 20455426239]

約数ペア:

[(1, 20455426239), (3, 6818475413), (17, 1203260367), (19, 1076601381), (51, 401086789), (57, 358867127), (323, 63329493), (969, 21109831), (1787, 11446797), (5361, 3815599), (11813, 1731603), (30379, 673341), (33953, 602463), (35439, 577201), (91137, 224447), (101859, 200821)]