20996938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32503}}^1$

素因数の和:32541

約数の個数: 16

約数和(自身を含む): 35104320

約数和(自身を除く): 14107382

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32503, 65006, 552551, 617557, 1105102, 1235114, 10498469, 20996938]

約数ペア:

[(1, 20996938), (2, 10498469), (17, 1235114), (19, 1105102), (34, 617557), (38, 552551), (323, 65006), (646, 32503)]