20709684

素因数分解:

$2^2\times 3^2\times {\mathrm{577}}^1\times {\mathrm{997}}^1$

素因数の和:1584

約数の個数: 36

約数和(自身を含む): 52492804

約数和(自身を除く): 31783120

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577, 997, 1154, 1731, 1994, 2308, 2991, 3462, 3988, 5193, 5982, 6924, 8973, 10386, 11964, 17946, 20772, 35892, 575269, 1150538, 1725807, 2301076, 3451614, 5177421, 6903228, 10354842, 20709684]

約数ペア:

[(1, 20709684), (2, 10354842), (3, 6903228), (4, 5177421), (6, 3451614), (9, 2301076), (12, 1725807), (18, 1150538), (36, 575269), (577, 35892), (997, 20772), (1154, 17946), (1731, 11964), (1994, 10386), (2308, 8973), (2991, 6924), (3462, 5982), (3988, 5193)]