20369881

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6659}}^1$

素因数の和:6708

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 5204519

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6659, 46613, 126521, 153157, 885647, 1072099, 2909983, 20369881]

約数ペア:

[(1, 20369881), (7, 2909983), (19, 1072099), (23, 885647), (133, 153157), (161, 126521), (437, 46613), (3059, 6659)]