20993230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51203}}^1$

素因数の和:51251

約数の個数: 16

約数和(自身を含む): 38710224

約数和(自身を除く): 17716994

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 51203, 102406, 256015, 512030, 2099323, 4198646, 10496615, 20993230]

約数ペア:

[(1, 20993230), (2, 10496615), (5, 4198646), (10, 2099323), (41, 512030), (82, 256015), (205, 102406), (410, 51203)]