20879916

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{4133}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 48847344

約数和(自身を除く): 27967428

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 4133, 5052, 8266, 12399, 16532, 24798, 49596, 1739993, 3479986, 5219979, 6959972, 10439958, 20879916]

約数ペア:

[(1, 20879916), (2, 10439958), (3, 6959972), (4, 5219979), (6, 3479986), (12, 1739993), (421, 49596), (842, 24798), (1263, 16532), (1684, 12399), (2526, 8266), (4133, 5052)]