20982366

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27109}}^1$

素因数の和:27160

約数の個数: 24

約数和(自身を含む): 46520760

約数和(自身を除く): 25538394

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27109, 54218, 81327, 162654, 243981, 487962, 1165687, 2331374, 3497061, 6994122, 10491183, 20982366]

約数ペア:

[(1, 20982366), (2, 10491183), (3, 6994122), (6, 3497061), (9, 2331374), (18, 1165687), (43, 487962), (86, 243981), (129, 162654), (258, 81327), (387, 54218), (774, 27109)]