20199892520

素因数分解:

$2^3\times 5^1\times {\mathrm{22277}}^1\times {\mathrm{22669}}^1$

素因数の和:44957

約数の個数: 32

約数和(自身を含む): 45453803400

約数和(自身を除く): 25253910880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22277, 22669, 44554, 45338, 89108, 90676, 111385, 113345, 178216, 181352, 222770, 226690, 445540, 453380, 891080, 906760, 504997313, 1009994626, 2019989252, 2524986565, 4039978504, 5049973130, 10099946260, 20199892520]

約数ペア:

[(1, 20199892520), (2, 10099946260), (4, 5049973130), (5, 4039978504), (8, 2524986565), (10, 2019989252), (20, 1009994626), (40, 504997313), (22277, 906760), (22669, 891080), (44554, 453380), (45338, 445540), (89108, 226690), (90676, 222770), (111385, 181352), (113345, 178216)]