20764356

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40241}}^1$

素因数の和:40291

約数の個数: 24

約数和(自身を含む): 49578144

約数和(自身を除く): 28813788

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40241, 80482, 120723, 160964, 241446, 482892, 1730363, 3460726, 5191089, 6921452, 10382178, 20764356]

約数ペア:

[(1, 20764356), (2, 10382178), (3, 6921452), (4, 5191089), (6, 3460726), (12, 1730363), (43, 482892), (86, 241446), (129, 160964), (172, 120723), (258, 80482), (516, 40241)]