20635407

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13567}}^1$

素因数の和:13599

約数の個数: 18

約数和(自身を含む): 32278272

約数和(自身を除く): 11642865

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13567, 40701, 122103, 176371, 529113, 1587339, 2292823, 6878469, 20635407]

約数ペア:

[(1, 20635407), (3, 6878469), (9, 2292823), (13, 1587339), (39, 529113), (117, 176371), (169, 122103), (507, 40701), (1521, 13567)]