20693793

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8443}}^1$

素因数の和:8508

約数の個数: 16

約数和(自身を含む): 29722880

約数和(自身を除く): 9029087

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8443, 25329, 160417, 363049, 481251, 1089147, 6897931, 20693793]

約数ペア:

[(1, 20693793), (3, 6897931), (19, 1089147), (43, 481251), (57, 363049), (129, 160417), (817, 25329), (2451, 8443)]