20197105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10331}}^1$

素因数の和:10376

約数の個数: 16

約数和(自身を含む): 26780544

約数和(自身を除く): 6583439

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10331, 51655, 175627, 237613, 878135, 1188065, 4039421, 20197105]

約数ペア:

[(1, 20197105), (5, 4039421), (17, 1188065), (23, 878135), (85, 237613), (115, 175627), (391, 51655), (1955, 10331)]