20460765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 35473536

約数和(自身を除く): 15012771

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 317, 331, 951, 993, 1585, 1655, 4121, 4303, 4755, 4965, 12363, 12909, 20605, 21515, 61815, 64545, 104927, 314781, 524635, 1364051, 1573905, 4092153, 6820255, 20460765]

約数ペア:

[(1, 20460765), (3, 6820255), (5, 4092153), (13, 1573905), (15, 1364051), (39, 524635), (65, 314781), (195, 104927), (317, 64545), (331, 61815), (951, 21515), (993, 20605), (1585, 12909), (1655, 12363), (4121, 4965), (4303, 4755)]