20163400821

素因数分解:

$3^3\times {\mathrm{1097}}^1\times {\mathrm{680759}}^1$

素因数の和:681865

約数の個数: 16

約数和(自身を含む): 29898979200

約数和(自身を除く): 9735578379

約数列:

[1, 3, 9, 27, 1097, 3291, 9873, 29619, 680759, 2042277, 6126831, 18380493, 746792623, 2240377869, 6721133607, 20163400821]

約数ペア:

[(1, 20163400821), (3, 6721133607), (9, 2240377869), (27, 746792623), (1097, 18380493), (3291, 6126831), (9873, 2042277), (29619, 680759)]