20891606

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{16607}}^1$

素因数の和:16663

約数の個数: 16

約数和(自身を含む): 34079616

約数和(自身を除く): 13188010

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 16607, 33214, 282319, 564638, 614459, 1228918, 10445803, 20891606]

約数ペア:

[(1, 20891606), (2, 10445803), (17, 1228918), (34, 614459), (37, 564638), (74, 282319), (629, 33214), (1258, 16607)]