20199864175

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{51871}}^1$

素因数の和:52339

約数の個数: 24

約数和(自身を含む): 25786401152

約数和(自身を除く): 5586536977

約数列:

[1, 5, 25, 37, 185, 421, 925, 2105, 10525, 15577, 51871, 77885, 259355, 389425, 1296775, 1919227, 9596135, 21837691, 47980675, 109188455, 545942275, 807994567, 4039972835, 20199864175]

約数ペア:

[(1, 20199864175), (5, 4039972835), (25, 807994567), (37, 545942275), (185, 109188455), (421, 47980675), (925, 21837691), (2105, 9596135), (10525, 1919227), (15577, 1296775), (51871, 389425), (77885, 259355)]