20254143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 33510400

約数和(自身を除く): 13256257

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 439, 507, 1183, 1317, 2197, 3073, 3549, 5707, 6591, 9219, 15379, 17121, 39949, 46137, 74191, 119847, 222573, 519337, 964483, 1558011, 2893449, 6751381, 20254143]

約数ペア:

[(1, 20254143), (3, 6751381), (7, 2893449), (13, 1558011), (21, 964483), (39, 519337), (91, 222573), (169, 119847), (273, 74191), (439, 46137), (507, 39949), (1183, 17121), (1317, 15379), (2197, 9219), (3073, 6591), (3549, 5707)]