20589982

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39749}}^1$

素因数の和:39795

約数の個数: 16

約数和(自身を含む): 36252000

約数和(自身を除く): 15662018

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39749, 79498, 278243, 556486, 1470713, 2941426, 10294991, 20589982]

約数ペア:

[(1, 20589982), (2, 10294991), (7, 2941426), (14, 1470713), (37, 556486), (74, 278243), (259, 79498), (518, 39749)]