20916753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48757}}^1$

素因数の和:48784

約数の個数: 16

約数和(自身を含む): 32765376

約数和(自身を除く): 11848623

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48757, 146271, 536327, 633841, 1608981, 1901523, 6972251, 20916753]

約数ペア:

[(1, 20916753), (3, 6972251), (11, 1901523), (13, 1608981), (33, 633841), (39, 536327), (143, 146271), (429, 48757)]