20272240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13337}}^1$

素因数の和:13369

約数の個数: 40

約数和(自身を含む): 49617360

約数和(自身を除く): 29345120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13337, 26674, 53348, 66685, 106696, 133370, 213392, 253403, 266740, 506806, 533480, 1013612, 1066960, 1267015, 2027224, 2534030, 4054448, 5068060, 10136120, 20272240]

約数ペア:

[(1, 20272240), (2, 10136120), (4, 5068060), (5, 4054448), (8, 2534030), (10, 2027224), (16, 1267015), (19, 1066960), (20, 1013612), (38, 533480), (40, 506806), (76, 266740), (80, 253403), (95, 213392), (152, 133370), (190, 106696), (304, 66685), (380, 53348), (760, 26674), (1520, 13337)]