20723778

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28081}}^1$

素因数の和:28130

約数の個数: 24

約数和(自身を含む): 45998316

約数和(自身を除く): 25274538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28081, 56162, 84243, 168486, 252729, 505458, 1151321, 2302642, 3453963, 6907926, 10361889, 20723778]

約数ペア:

[(1, 20723778), (2, 10361889), (3, 6907926), (6, 3453963), (9, 2302642), (18, 1151321), (41, 505458), (82, 252729), (123, 168486), (246, 84243), (369, 56162), (738, 28081)]