20785974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13693}}^1$

素因数の和:13732

約数の個数: 32

約数和(自身を含む): 47326464

約数和(自身を除く): 26540490

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13693, 27386, 41079, 82158, 150623, 301246, 314939, 451869, 629878, 903738, 944817, 1889634, 3464329, 6928658, 10392987, 20785974]

約数ペア:

[(1, 20785974), (2, 10392987), (3, 6928658), (6, 3464329), (11, 1889634), (22, 944817), (23, 903738), (33, 629878), (46, 451869), (66, 314939), (69, 301246), (138, 150623), (253, 82158), (506, 41079), (759, 27386), (1518, 13693)]