20818406

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36269}}^1$

素因数の和:36319

約数の個数: 16

約数和(自身を含む): 36560160

約数和(自身を除く): 15741754

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36269, 72538, 253883, 507766, 1487029, 2974058, 10409203, 20818406]

約数ペア:

[(1, 20818406), (2, 10409203), (7, 2974058), (14, 1487029), (41, 507766), (82, 253883), (287, 72538), (574, 36269)]