20693001

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1523}}^1$

素因数の和:2180

約数の個数: 16

約数和(自身を含む): 31601664

約数和(自身を除く): 10908663

約数列:

[1, 3, 7, 21, 647, 1523, 1941, 4529, 4569, 10661, 13587, 31983, 985381, 2956143, 6897667, 20693001]

約数ペア:

[(1, 20693001), (3, 6897667), (7, 2956143), (21, 985381), (647, 31983), (1523, 13587), (1941, 10661), (4529, 4569)]