20005193377

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{17957}}^1$

素因数の和:18129

約数の個数: 24

約数和(自身を含む): 23138452008

約数和(自身を除く): 3133258631

約数列:

[1, 13, 17, 71, 221, 923, 1207, 5041, 15691, 17957, 65533, 85697, 233441, 305269, 1114061, 1274947, 3968497, 16574311, 21674099, 90521237, 281763287, 1176776081, 1538861029, 20005193377]

約数ペア:

[(1, 20005193377), (13, 1538861029), (17, 1176776081), (71, 281763287), (221, 90521237), (923, 21674099), (1207, 16574311), (5041, 3968497), (15691, 1274947), (17957, 1114061), (65533, 305269), (85697, 233441)]