20307741

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 29324640

約数和(自身を除く): 9016899

約数列:

[1, 3, 17, 51, 59, 177, 289, 397, 867, 1003, 1191, 3009, 6749, 17051, 20247, 23423, 51153, 70269, 114733, 344199, 398191, 1194573, 6769247, 20307741]

約数ペア:

[(1, 20307741), (3, 6769247), (17, 1194573), (51, 398191), (59, 344199), (177, 114733), (289, 70269), (397, 51153), (867, 23423), (1003, 20247), (1191, 17051), (3009, 6749)]