20609457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2161}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 31859232

約数和(自身を除く): 11249775

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 2161, 3179, 6483, 9537, 23771, 36737, 71313, 110211, 404107, 624529, 1212321, 1873587, 6869819, 20609457]

約数ペア:

[(1, 20609457), (3, 6869819), (11, 1873587), (17, 1212321), (33, 624529), (51, 404107), (187, 110211), (289, 71313), (561, 36737), (867, 23771), (2161, 9537), (3179, 6483)]