20198463

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3251}}^1$

素因数の和:3382

約数の個数: 16

約数和(自身を含む): 28617600

約数和(自身を除く): 8419137

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3251, 6213, 9753, 61769, 185307, 354359, 1063077, 6732821, 20198463]

約数ペア:

[(1, 20198463), (3, 6732821), (19, 1063077), (57, 354359), (109, 185307), (327, 61769), (2071, 9753), (3251, 6213)]