20108764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20353}}^1$

素因数の和:20389

約数の個数: 24

約数和(自身を含む): 39893840

約数和(自身を除く): 19785076

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20353, 40706, 81412, 264589, 386707, 529178, 773414, 1058356, 1546828, 5027191, 10054382, 20108764]

約数ペア:

[(1, 20108764), (2, 10054382), (4, 5027191), (13, 1546828), (19, 1058356), (26, 773414), (38, 529178), (52, 386707), (76, 264589), (247, 81412), (494, 40706), (988, 20353)]