20388918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{308923}}^1$

素因数の和:308939

約数の個数: 16

約数和(自身を含む): 44485056

約数和(自身を除く): 24096138

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 308923, 617846, 926769, 1853538, 3398153, 6796306, 10194459, 20388918]

約数ペア:

[(1, 20388918), (2, 10194459), (3, 6796306), (6, 3398153), (11, 1853538), (22, 926769), (33, 617846), (66, 308923)]