20999077

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2588123

約数列:

[1, 11, 53, 181, 199, 583, 1991, 2189, 9593, 10547, 36019, 105523, 116017, 396209, 1909007, 20999077]

約数ペア:

[(1, 20999077), (11, 1909007), (53, 396209), (181, 116017), (199, 105523), (583, 36019), (1991, 10547), (2189, 9593)]