20565521853

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1\times {\mathrm{7559}}^1$

素因数の和:8449

約数の個数: 32

約数和(自身を含む): 29393280000

約数和(自身を除く): 8827758147

約数列:

[1, 3, 19, 57, 59, 177, 809, 1121, 2427, 3363, 7559, 15371, 22677, 46113, 47731, 143193, 143621, 430863, 445981, 906889, 1337943, 2720667, 6115231, 8473639, 18345693, 25420917, 116189389, 348568167, 360798629, 1082395887, 6855173951, 20565521853]

約数ペア:

[(1, 20565521853), (3, 6855173951), (19, 1082395887), (57, 360798629), (59, 348568167), (177, 116189389), (809, 25420917), (1121, 18345693), (2427, 8473639), (3363, 6115231), (7559, 2720667), (15371, 1337943), (22677, 906889), (46113, 445981), (47731, 430863), (143193, 143621)]