20453517

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3347}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 13669299

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3347, 6111, 10041, 23429, 30123, 70287, 210861, 324659, 973977, 2272613, 2921931, 6817839, 20453517]

約数ペア:

[(1, 20453517), (3, 6817839), (7, 2921931), (9, 2272613), (21, 973977), (63, 324659), (97, 210861), (291, 70287), (679, 30123), (873, 23429), (2037, 10041), (3347, 6111)]