20865556

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 38215296

約数和(自身を除く): 17349740

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2707, 3854, 5414, 7708, 10828, 110987, 127229, 221974, 254458, 443948, 508916, 5216389, 10432778, 20865556]

約数ペア:

[(1, 20865556), (2, 10432778), (4, 5216389), (41, 508916), (47, 443948), (82, 254458), (94, 221974), (164, 127229), (188, 110987), (1927, 10828), (2707, 7708), (3854, 5414)]