20624905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25621}}^1$

素因数の和:25656

約数の個数: 16

約数和(自身を含む): 29516544

約数和(自身を除く): 8891639

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25621, 128105, 179347, 589283, 896735, 2946415, 4124981, 20624905]

約数ペア:

[(1, 20624905), (5, 4124981), (7, 2946415), (23, 896735), (35, 589283), (115, 179347), (161, 128105), (805, 25621)]