20525453480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73305191}}^1$

素因数の和:73305209

約数の個数: 32

約数和(自身を含む): 52779738240

約数和(自身を除く): 32254284760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73305191, 146610382, 293220764, 366525955, 513136337, 586441528, 733051910, 1026272674, 1466103820, 2052545348, 2565681685, 2932207640, 4105090696, 5131363370, 10262726740, 20525453480]

約数ペア:

[(1, 20525453480), (2, 10262726740), (4, 5131363370), (5, 4105090696), (7, 2932207640), (8, 2565681685), (10, 2052545348), (14, 1466103820), (20, 1026272674), (28, 733051910), (35, 586441528), (40, 513136337), (56, 366525955), (70, 293220764), (140, 146610382), (280, 73305191)]