20855733

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 9557067

約数列:

[1, 3, 23, 47, 59, 69, 109, 141, 177, 327, 1081, 1357, 2507, 2773, 3243, 4071, 5123, 6431, 7521, 8319, 15369, 19293, 63779, 117829, 147913, 191337, 302257, 353487, 443739, 906771, 6951911, 20855733]

約数ペア:

[(1, 20855733), (3, 6951911), (23, 906771), (47, 443739), (59, 353487), (69, 302257), (109, 191337), (141, 147913), (177, 117829), (327, 63779), (1081, 19293), (1357, 15369), (2507, 8319), (2773, 7521), (3243, 6431), (4071, 5123)]