20815664073

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{42677}}^1$

素因数の和:42941

約数の個数: 32

約数和(自身を含む): 30045312000

約数和(自身を除く): 9229647927

約数列:

[1, 3, 19, 43, 57, 129, 199, 597, 817, 2451, 3781, 8557, 11343, 25671, 42677, 128031, 162583, 487749, 810863, 1835111, 2432589, 5505333, 8492723, 25478169, 34867109, 104601327, 161361737, 365187089, 484085211, 1095561267, 6938554691, 20815664073]

約数ペア:

[(1, 20815664073), (3, 6938554691), (19, 1095561267), (43, 484085211), (57, 365187089), (129, 161361737), (199, 104601327), (597, 34867109), (817, 25478169), (2451, 8492723), (3781, 5505333), (8557, 2432589), (11343, 1835111), (25671, 810863), (42677, 487749), (128031, 162583)]