20615463

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3929}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 33106320

約数和(自身を除く): 12490857

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 3929, 5247, 11787, 35361, 43219, 129657, 208237, 388971, 624711, 1874133, 2290607, 6871821, 20615463]

約数ペア:

[(1, 20615463), (3, 6871821), (9, 2290607), (11, 1874133), (33, 624711), (53, 388971), (99, 208237), (159, 129657), (477, 43219), (583, 35361), (1749, 11787), (3929, 5247)]