20165932801

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{25309}}^1$

素因数の和:25454

約数の個数: 32

約数和(自身を含む): 24783552000

約数和(自身を除く): 4617619199

約数列:

[1, 7, 23, 49, 101, 161, 343, 707, 1127, 2323, 4949, 7889, 16261, 25309, 34643, 113827, 177163, 582107, 796789, 1240141, 2556209, 4074749, 8680987, 17893463, 28523243, 58792807, 125254241, 199662701, 411549649, 876779687, 2880847543, 20165932801]

約数ペア:

[(1, 20165932801), (7, 2880847543), (23, 876779687), (49, 411549649), (101, 199662701), (161, 125254241), (343, 58792807), (707, 28523243), (1127, 17893463), (2323, 8680987), (4949, 4074749), (7889, 2556209), (16261, 1240141), (25309, 796789), (34643, 582107), (113827, 177163)]