20198403777

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{981601}}^1$

素因数の和:981661

約数の個数: 16

約数和(自身を含む): 28427193920

約数和(自身を除く): 8228790143

約数列:

[1, 3, 19, 57, 361, 1083, 6859, 20577, 981601, 2944803, 18650419, 55951257, 354357961, 1063073883, 6732801259, 20198403777]

約数ペア:

[(1, 20198403777), (3, 6732801259), (19, 1063073883), (57, 354357961), (361, 55951257), (1083, 18650419), (6859, 2944803), (20577, 981601)]