20747638730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1\times {\mathrm{15271}}^1$

素因数の和:16791

約数の個数: 64

約数和(自身を含む): 45997797888

約数和(自身を除く): 25250159158

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1493, 2986, 7465, 10451, 14930, 15271, 19409, 20902, 30542, 38818, 52255, 76355, 97045, 104510, 106897, 135863, 152710, 194090, 198523, 213794, 271726, 397046, 534485, 679315, 992615, 1068970, 1358630, 1389661, 1985230, 2779322, 6948305, 13896610, 22799603, 45599206, 113998015, 159597221, 227996030, 296394839, 319194442, 592789678, 797986105, 1481974195, 1595972210, 2074763873, 2963948390, 4149527746, 10373819365, 20747638730]

約数ペア:

[(1, 20747638730), (2, 10373819365), (5, 4149527746), (7, 2963948390), (10, 2074763873), (13, 1595972210), (14, 1481974195), (26, 797986105), (35, 592789678), (65, 319194442), (70, 296394839), (91, 227996030), (130, 159597221), (182, 113998015), (455, 45599206), (910, 22799603), (1493, 13896610), (2986, 6948305), (7465, 2779322), (10451, 1985230), (14930, 1389661), (15271, 1358630), (19409, 1068970), (20902, 992615), (30542, 679315), (38818, 534485), (52255, 397046), (76355, 271726), (97045, 213794), (104510, 198523), (106897, 194090), (135863, 152710)]