20808565918

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5683}}^1\times {\mathrm{6379}}^1$

素因数の和:12112

約数の個数: 32

約数和(自身を含む): 36554031360

約数和(自身を除く): 15745465442

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 5683, 6379, 11366, 12758, 39781, 44653, 79562, 89306, 233003, 261539, 466006, 523078, 1631021, 1830773, 3262042, 3661546, 36251857, 72503714, 253762999, 507525998, 1486326137, 2972652274, 10404282959, 20808565918]

約数ペア:

[(1, 20808565918), (2, 10404282959), (7, 2972652274), (14, 1486326137), (41, 507525998), (82, 253762999), (287, 72503714), (574, 36251857), (5683, 3661546), (6379, 3262042), (11366, 1830773), (12758, 1631021), (39781, 523078), (44653, 466006), (79562, 261539), (89306, 233003)]