20130807819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{14753}}^1$

素因数の和:15459

約数の個数: 32

約数和(自身を含む): 29064199680

約数和(自身を除く): 8933391861

約数列:

[1, 3, 19, 37, 57, 111, 647, 703, 1941, 2109, 12293, 14753, 23939, 36879, 44259, 71817, 280307, 454841, 545861, 840921, 1364523, 1637583, 9545191, 10371359, 28635573, 31114077, 181358629, 353172067, 544075887, 1059516201, 6710269273, 20130807819]

約数ペア:

[(1, 20130807819), (3, 6710269273), (19, 1059516201), (37, 544075887), (57, 353172067), (111, 181358629), (647, 31114077), (703, 28635573), (1941, 10371359), (2109, 9545191), (12293, 1637583), (14753, 1364523), (23939, 840921), (36879, 545861), (44259, 454841), (71817, 280307)]