20797269

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{967}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 7638699

約数列:

[1, 3, 67, 107, 201, 321, 967, 2901, 7169, 21507, 64789, 103469, 194367, 310407, 6932423, 20797269]

約数ペア:

[(1, 20797269), (3, 6932423), (67, 310407), (107, 194367), (201, 103469), (321, 64789), (967, 21507), (2901, 7169)]