20998674

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14767}}^1$

素因数の和:14854

約数の個数: 24

約数和(自身を含む): 46076160

約数和(自身を除く): 25077486

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14767, 29534, 44301, 88602, 132903, 265806, 1166593, 2333186, 3499779, 6999558, 10499337, 20998674]

約数ペア:

[(1, 20998674), (2, 10499337), (3, 6999558), (6, 3499779), (9, 2333186), (18, 1166593), (79, 265806), (158, 132903), (237, 88602), (474, 44301), (711, 29534), (1422, 14767)]