20315009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7477}}^1$

素因数の和:7520

約数の個数: 16

約数和(自身を含む): 25126080

約数和(自身を除く): 4811071

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7477, 82247, 97201, 142063, 1069211, 1562693, 1846819, 20315009]

約数ペア:

[(1, 20315009), (11, 1846819), (13, 1562693), (19, 1069211), (143, 142063), (209, 97201), (247, 82247), (2717, 7477)]