20105257315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{57037}}^1$

素因数の和:57112

約数の個数: 64

約数和(自身を含む): 31046924160

約数和(自身を除く): 10941666845

約数列:

[1, 5, 11, 13, 17, 29, 55, 65, 85, 143, 145, 187, 221, 319, 377, 493, 715, 935, 1105, 1595, 1885, 2431, 2465, 4147, 5423, 6409, 12155, 20735, 27115, 32045, 57037, 70499, 285185, 352495, 627407, 741481, 969629, 1654073, 3137035, 3707405, 4848145, 8156291, 8270365, 10665919, 12605177, 18194803, 21502949, 28119241, 40781455, 53329595, 63025885, 90974015, 107514745, 138656947, 140596205, 236532439, 309311651, 365550133, 693284735, 1182662195, 1546558255, 1827750665, 4021051463, 20105257315]

約数ペア:

[(1, 20105257315), (5, 4021051463), (11, 1827750665), (13, 1546558255), (17, 1182662195), (29, 693284735), (55, 365550133), (65, 309311651), (85, 236532439), (143, 140596205), (145, 138656947), (187, 107514745), (221, 90974015), (319, 63025885), (377, 53329595), (493, 40781455), (715, 28119241), (935, 21502949), (1105, 18194803), (1595, 12605177), (1885, 10665919), (2431, 8270365), (2465, 8156291), (4147, 4848145), (5423, 3707405), (6409, 3137035), (12155, 1654073), (20735, 969629), (27115, 741481), (32045, 627407), (57037, 352495), (70499, 285185)]