20773160

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2719}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 26228440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2719, 3820, 5438, 7640, 10876, 13595, 21752, 27190, 54380, 108760, 519329, 1038658, 2077316, 2596645, 4154632, 5193290, 10386580, 20773160]

約数ペア:

[(1, 20773160), (2, 10386580), (4, 5193290), (5, 4154632), (8, 2596645), (10, 2077316), (20, 1038658), (40, 519329), (191, 108760), (382, 54380), (764, 27190), (955, 21752), (1528, 13595), (1910, 10876), (2719, 7640), (3820, 5438)]