20899594

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1901}}^1$

素因数の和:2165

約数の個数: 16

約数和(自身を含む): 32866560

約数和(自身を除く): 11966966

約数列:

[1, 2, 23, 46, 239, 478, 1901, 3802, 5497, 10994, 43723, 87446, 454339, 908678, 10449797, 20899594]

約数ペア:

[(1, 20899594), (2, 10449797), (23, 908678), (46, 454339), (239, 87446), (478, 43723), (1901, 10994), (3802, 5497)]