20009098

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 30656520

約数和(自身を除く): 10647422

約数列:

[1, 2, 61, 122, 401, 409, 802, 818, 24461, 24949, 48922, 49898, 164009, 328018, 10004549, 20009098]

約数ペア:

[(1, 20009098), (2, 10004549), (61, 328018), (122, 164009), (401, 49898), (409, 48922), (802, 24949), (818, 24461)]